{"id":207765,"date":"2023-03-08T18:58:20","date_gmt":"2023-03-08T23:58:20","guid":{"rendered":"https:\/\/www.nasa.gov\/?post_type=people&p=207765"},"modified":"2023-06-22T13:52:30","modified_gmt":"2023-06-22T17:52:30","slug":"h-julian-allen","status":"publish","type":"people","link":"https:\/\/www.nasa.gov\/people\/h-julian-allen\/","title":{"rendered":"H. Julian Allen"},"content":{"rendered":"<div id=\"\" class=\"hds-bio-intro maxw-full width-full padding-y-6 padding-x-3 hds-module hds-module-full wp-block-nasa-blocks-bio-intro\">\n\t<div class=\"hds-bio-intro-container grid-row grid-container grid-container-block padding-0\">\n\t\t<div class=\"grid-col-4 desktop:grid-col-3\">\n\t\t\t<div class=\"hds-bio-thumbnail width-10 tablet:width-card desktop:width-card-lg\">\n\t\t\t\t<figure class=\"hds-media-background  \"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1346\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?w=1024\" class=\"attachment-medium_large size-medium_large\" alt=\"Studio Portrait of Ames Director H. Julian Allen\" style=\"transform: scale(1); transform-origin: 23% 18%; object-position: 23% 18%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg 2038w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=228,300 228w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=768,1009 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=779,1024 779w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=1169,1536 1169w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=1559,2048 1559w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=304,400 304w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=457,600 457w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=685,900 685w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=913,1200 913w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=1522,2000 1522w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" loading=\"eager\" \/><\/figure>\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"grid-col-7 desktop:grid-col-9 grid-row margin-0 padding-0\">\n\t\t\t<div class=\"grid-col-12 desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"margin-bottom-1 desktop:margin-bottom-2\">\n\t\t\t\t\t<h1 class=\"display-60 display-block width-full\">H. Julian Allen<\/h1>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<p class=\"p-lg padding-0 margin-0 color-carbon-60\">Former Center Director at NASA\u2019s Ames Research Center<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"grid-col-12 desktop:grid-col-4\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\n\t<\/div>\n\n\n<p>H. Julian “Harvey” Allen served as the second Ames Center Director, from October 15, 1965 to November 15, 1968.<\/p>\n\n\n\n<p>Allen arrived at Ames on April 13, 1940 after transferring from the Langley Memorial Aeronautical Laboratory like many early Ames personnel. Allen had worked at Langley for four years, beginning his job as a junior engineer just a few years after he had graduated in 1932 from Stanford University where he studied engineering and aeronautics.<\/p>\n\n\n\n<p>While at Langley, Allen worked in the Variable Density Tunnel Section led by <a href=\"https:\/\/www.nasa.gov\/centers-and-facilities\/langley\/eastman-n-jake-jacobs\/\" data-type=\"post\" data-id=\"73426\">Eastman Jacobs<\/a>. Allen made a key contribution to the development of laminar-flow airfoils, simplifying what had been very laborious calculations. That work culminated in the report, \u201cGeneral Theory of Airfoil Sections Having Arbitrary Shape or Pressure Distribution,\u201d which was published after Allen had already become the head of the Theoretical Aerodynamics Section at Ames.<\/p>\n\n\n\n<p>Known for elegant mathematical work in order to simplify and generalize problems, Allen\u2019s most enduring theoretical insight is the blunt body concept, which remains relevant for hypersonics and spaceflight to this day. Allen and his colleague Alfred Eggers published the theory of blunt bodies in a landmark paper in 1953. He continued his research into hypersonics, designed novel wind tunnels for that research, and managed much of the center\u2019s work as an assistant director.<\/p>\n\n\n\n<p>When <a href=\"https:\/\/www.nasa.gov\/people\/smith-defrance\/\" data-type=\"people\" data-id=\"207718\">Smith DeFrance<\/a> retired after leading Ames for 25 years, Allen was an established and admired presence among the center\u2019s staff, and he had the most management experience of the group. His relatively short three years as director were\u2014unlike his research career\u2014unremarkable. Allen thought of himself first and foremost as a researcher. At the height of Apollo, Allen kept Ames focused on research and maintained the distance from Washington that had been more of an asset and less of a liability in the NACA era. Allen recognized this, and he looked to his colleague <a href=\"https:\/\/www.nasa.gov\/people\/clarence-a-syvertson\/\" data-type=\"people\" data-id=\"208564\">Clarence Syvertson<\/a> to be his deputy shortly before his retirement and the selection of <a href=\"https:\/\/www.nasa.gov\/people\/hans-mark\/\" data-type=\"people\" data-id=\"207800\">Hans Mark<\/a> to succeed him. Mark kept Syvertson as his deputy, and Allen maintained close relationships with people at the center as he pursued his own research again in retirement, unburdened by management. Always curious and inquisitive, some of Allen\u2019s research in retirement included the study of owl feathers to understand why their flight could be so silent.<\/p>\n\n\n\n<p>Allen was a lifelong bachelor and well known as a bon vivant, enjoying classical music and playing the piano, cooking, and driving luxury cars. The endearment that Ames staff developed for him is reflected in numerous ways, including the name of the Ames retiree group, \u201cThe Owl Feather Society\u201d and the highest award that Ames offers for a research paper: the H. Julian Allen Award. He passed away in 1977.<\/p>\n\n\n<div id=\"\" class=\"hds-meet-the bg-carbon-90 maxw-full width-full padding-y-5 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-meet-the\">\t\t<div class=\"grid-container grid-container-block-lg\">\n\t\t\t<div class=\"padding-x-0 minh-4\">\n\t\t\t\t<div class=\"grid-row flex-align-center margin-bottom-3\">\n\t\t\t\t\t<div class=\"grid-col-6 margin-bottom-0\">\n\t\t\t\t\t\t<div class=\"margin-bottom-0\">\n\t\t\t\t\t\t\t<h2 class=\"label line-height-sm color-spacesuit-white\">ames center directors<\/h2>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"grid-col-6 display-flex flex-align-center flex-justify-end\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row grid-gap-2\"><\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"padding-left-0 hds-meet-the-container padding-right-2\">\n\t\t\t\t<div class=\"hds-meet-the-cards hds-meet-the-slider grid-row\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/www.nasa.gov\/people\/smith-defrance\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-22319.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Smith J. DeFrance, First Director of Ames Research Center 1940-1965 (then Ames Aeronautical Laboratory).\" style=\"transform: scale(2); transform-origin: 42% 27%; object-position: 42% 27%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-22319.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-22319.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-22319.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-22319.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/www.nasa.gov\/people\/smith-defrance\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Smith J. DeFrance<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">July 1940 – October 1965<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/h-julian-allen\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Studio Portrait of Ames Director H. Julian Allen\" style=\"transform: scale(1); transform-origin: 77% 26%; object-position: 77% 26%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/h-julian-allen\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">H. Julian Allen<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">October 1965-November 1968<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/hans-mark\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac74-1494-mark.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Dr. Hans Mark, Director of Ames Research Center (1969-1978).\" style=\"transform: scale(1.7); transform-origin: 60% 22%; object-position: 60% 22%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac74-1494-mark.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac74-1494-mark.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac74-1494-mark.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac74-1494-mark.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/hans-mark\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Hans Mark<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">February 1969-August 1977<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/clarence-a-syvertson\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac82-0502-1.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Clarence "Sy" Syvertson, Director of Ames Research Center (1978-1984).\" style=\"transform: scale(1.2); transform-origin: 47% 33%; object-position: 47% 33%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac82-0502-1.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac82-0502-1.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac82-0502-1.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac82-0502-1.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/clarence-a-syvertson\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Clarence A. Syvertson<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">August 1977-January 1984<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/william-f-ballhaus-jr\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of William F. Ballhaus Jr., Ames Center Director (1984-1989).\" style=\"transform: scale(1.4); transform-origin: 38% 54%; object-position: 38% 54%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg 4064w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=298,300 298w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=768,773 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=1017,1024 1017w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=1525,1536 1525w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=2034,2048 2034w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=200,200 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=397,400 397w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=596,600 596w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=894,900 894w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=1192,1200 1192w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac87-0158-ballhaus.jpg?resize=1986,2000 1986w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/william-f-ballhaus-jr\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">William F. Ballhaus<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">January 1984-February 1988<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/dale-l-compton\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac90-0019-4.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Dr. Dale L. Compton, Director of Ames Research Center (1989-1994).\" style=\"transform: scale(1.7); transform-origin: 60% 24%; object-position: 60% 24%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac90-0019-4.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac90-0019-4.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac90-0019-4.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac90-0019-4.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/dale-l-compton\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Dale L. Compton<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">February 1988-January 1994<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/ken-munechika\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac94-0006-002.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Ken Munechika, Director of Ames Research Center (1994-1996).\" style=\"transform: scale(1.3); transform-origin: 32% 23%; object-position: 32% 23%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac94-0006-002.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac94-0006-002.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac94-0006-002.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac94-0006-002.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/ken-munechika\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Ken Munechika<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">January 1994-March 1996<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/henry-mcdonald\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac99-0126-1.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Dr. Henry 'Harry' McDonald, Ames Research Center Director (1996-2002).\" style=\"transform: scale(2); transform-origin: 50% 22%; object-position: 50% 22%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac99-0126-1.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac99-0126-1.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac99-0126-1.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac99-0126-1.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/henry-mcdonald\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Henry McDonald<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">March 1996-September 2002<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/g-scott-hubbard\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Scott Hubbard\" style=\"transform: scale(1.4); transform-origin: 41% 61%; object-position: 41% 61%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg 3150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=300,300 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=768,768 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=1024,1024 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=1536,1536 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=2048,2048 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=200,200 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=400,400 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=600,600 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=900,900 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=1200,1200 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/ac98-0262-1.jpg?resize=2000,2000 2000w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/g-scott-hubbard\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">G. Scott Hubbard<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">September 2002-February 2006<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/simon-p-worden\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd06-0070-001.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Studio Portrait of Ames Center Director (2006-2015) Simon Pete Worden.\" style=\"transform: scale(1); transform-origin: 29% 35%; object-position: 29% 35%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd06-0070-001.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd06-0070-001.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd06-0070-001.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd06-0070-001.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/people\/simon-p-worden\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Simon P. Worden<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">May 2006-March 2015<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-card padding-right-7\">\n\t\t\t\t\t\t\t<div class=\"hds-meet-the-inner display-flex\">\n\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/www.nasa.gov\/people\/ames-eugene-tu\/\" target=\"_self\" class=\"hds-meet-the-image padding-right-3\">\n\t\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper\">\n\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd15-0087.jpg?w=150&h=150&crop=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Portrait of Dr. Eugene Tu, Ames Center Director (2015-Present).\" style=\"transform: scale(1); transform-origin: 48% 32%; object-position: 48% 32%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd15-0087.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd15-0087.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd15-0087.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/acd15-0087.jpg?resize=200,200 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<div class=\"hds-meet-the-content\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/www.nasa.gov\/people\/ames-eugene-tu\/\" target=\"_self\"  class=\"display-block margin-bottom-1\">\n\t\t\t\t\t\t\t\t\t\t<h3 class=\"heading-18 color-spacesuit-white link-underline-dashed-light border-carbon-30 margin-0 display-inline-block\">Eugene L. Tu<\/h3>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<p class=\"line-height-md color-carbon-40 margin-0 padding-0 p-sm\">May 2015-Present<\/p>\n\t\t\t\t\t\t\t\t\t<div class=\"meet-the-icons\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"hds-carousel-nav hds-carousel-nav-next display-flex margin-right-auto margin-left-0\">\n\t\t\t\t\t<button class=\"hds-carousel-nav-arrow hds-carousel-arrow-next margin-left-0 margin-right-0\" aria-label=\"Next Person\">\n\t\t\t\t\t\t<svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" x=\"0px\" y=\"0px\" width=\"9px\" height=\"9px\" viewBox=\"0 0 9 9\" aria-hidden=\"true\"><path class=\"st0\" d=\"M5.5,4.5L1.8,8.1L2.7,9l4.5-4.5L2.7,0L1.8,0.9L5.5,4.5z\"><\/path><\/svg>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>","protected":false},"excerpt":{"rendered":"<p>H. Julian “Harvey” Allen served as the second Ames Center Director, from October 15, 1965 to November 15, 1968. Allen arrived at Ames on April 13, 1940 after transferring from the Langley Memorial Aeronautical Laboratory like many early Ames personnel. Allen had worked at Langley for four years, beginning his job as a junior engineer […]<\/p>\n","protected":false},"author":70,"featured_media":205490,"template":"","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[],"nasa_hds_core_meta_people_facebook_url":"","nasa_hds_core_meta_people_twitter_url":"","nasa_hds_core_meta_people_instagram_url":"","nasa_hds_core_meta_people_linkedin_url":"","nasa_hds_core_meta_people_title":"Former Center Director at NASA\u2019s Ames Research Center"},"categories":[2854,2671,2668],"news-tags":[],"internal-terms":[10255,3902,11519],"coauthors":[8631],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"WebPage","headline":"H. Julian Allen","url":"https:\/\/www.nasa.gov\/people\/h-julian-allen\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/people\/h-julian-allen\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/a-28536-allen.jpg"},"articleSection":"NASA Centers & Facilities","author":[{"@type":"Person","name":"James Anderson"}],"creator":["James Anderson"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["People of NASA","Ames Research Center","NASA History"],"dateCreated":"2023-03-08T23:58:20Z","datePublished":"2023-03-08T23:58:20Z","dateModified":"2023-06-22T17:52:30Z"},"rendered":"<meta name=\"parsely-title\" content=\"H. 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