Question: When was the lead designer of the Lockheed Starfighter born?
Context: Clarence Leonard "Kelly" Johnson (February 27, 1910 – December 21, 1990) was an American aeronautical and systems engineer.  He is recognized for his contributions to a series of important aircraft designs, most notably the Lockheed U-2 and SR-71 Blackbird.  Besides the first production aircraft to exceed Mach 3, he also produced the first fighter capable of Mach 2, the United States' first operational jet fighter, as well as the first U.S. fighter to exceed 400 mph, and many other contributions to a large number of aircraft.  As a member and first team leader of the Lockheed Skunk Works, Johnson worked for more than four decades and is said to have been an "organizing genius".  He played a leading role in the design of over forty aircraft, including several honored with the prestigious Collier Trophy, acquiring a reputation as one of the most talented and prolific aircraft design engineers in the history of aviation.  In 2003, as part of its commemoration of the 100th anniversary of the Wright Brothers' flight, "Aviation Week & Space Technology" ranked Johnson 8th on its list of the top 100 "most important, most interesting, and most influential people" in the first century of aerospace.  Hall Hibbard, Johnson's Lockheed boss, referring to Johnson's Swedish ancestry once remarked to Ben Rich: "That damned Swede can actually see air." Vano "Ivan" Anastasovich Mikoyan (September 1, 1927 – November 25, 2016) was a Soviet Armenian aircraft designer, nephew of designer Artem Mikoyan.  In 1944-1945, he studied at the Aviation Technical School in Stalinabad, then graduated from the Zhukovsky Air Force Engineering Academy.  From 1953 he worked in OKB Mikoyan as assistant chief engineer, chief engineer for flight tests, and as the leading designer for MiG-21 family of fighter aircraft.  In 1965 he was appointed as the lead designer on the MiG-23 fighter aircraft, and the technical director of joint state tests after 1968.  Starting in 1973, Ivan was deputy chief designer for the MiG-29 fighter aircraft.  Later, he was an adviser for Russian Aircraft Corporation MiG. The Lockheed F-104 Starfighter is a single-engine, supersonic interceptor aircraft which later became widely used as an attack aircraft.  It was originally developed by Lockheed for the United States Air Force (USAF), but became widely used by US Allies around the world, and produced by several other NATO nations.  One of the Century Series of fighter aircraft, it was operated by the air forces of more than a dozen nations from 1958 to 2004.  Its design team was led by Kelly Johnson, who contributed to the development of the Lockheed P-38 Lightning, Lockheed U-2, Lockheed SR-71 Blackbird and other Lockheed aircraft. Jens "Jeb" Bergensten is a Swedish video game designer.  Since December 2010, he has worked for the video game developer Mojang as a programmer and game designer.  He became the lead designer and lead developer of the indie sandbox game "Minecraft", after Markus "Notch" Persson stepped down from his position in December 2011.  He is known by his in-game name "jeb_". Nikita Mikros is a game designer/developer living in Brooklyn, New York, United States.  He is the founder and CEO of SMASHWORX and Tiny Mantis Entertainment, two independent game studios located in New York City.  Mr. Mikros's most current project is "Killer Queen Arcade" a 10 player arcade game he co-designed with Joshua DeBonis.  "Killer Queen Arcade" was the recipient of the Developer's Choice Award at Indiecade 2013.  At SMASHWORX, Mr. Mikros designs and works on original titles including "Propaganda Lander" and his current project "Team Dungeon Force".  At Tiny Mantis, Mr. Mikros has worked on many games for clients including Nickelodeon, Cartoon Network, Adult Swim, LEGO, Bloomberg Tradebook and others.  Before his current positions Mr. Mikros was co-founder of Black Hammer Game.  Mr. Mikros was the lead designer of "The Egg Files" which was a 2002 Independent Games Festival finalist and was published by Manifesto Games.  In addition, he was lead designer of "Supremacy: Four Paths To Power" which was also an Independent Games Festival finalist in 2005 and was published by Matrix Games. Rob Donoghue is a game designer who has worked primarily on role-playing games. Together with Fred Hicks he created the "Fate system" and has been designer or lead designer of numerous award winning role playing games.  He was a lead designer of the role-playing games "Spirit of the Century" and a designer of "The Dresden Files Roleplaying Game", and has also worked closely with Cam Banks on the Cortex Plus games, a lead designer for "", and as a designer for "Marvel Heroic Roleplaying".  He has also contributed to "Dungeons & Dragons" 4e. The Gerhard Neumann Museum is an aviation museum located in the German village of Niederalteich in Bavaria.  The museum chronicles the work of German aero engine designer, Gerhard Neumann, in particular the General Electric J79 turbojet and Lockheed F-104 Starfighter which this engine powered.  Many aerospace exhibits are on display including fixed-wing aircraft and aircraft engines. Wizarbox is a video game developer based in France.  They are notable for their graphic adventure games developed by industry veterans, such as the So Blonde series by Steve Ince (lead designer of "") and "Gray Matter" by Jane Jensen (lead designer of the "Gabriel Knight" series). 13th Age is a d20 fantasy tabletop role-playing game, designed by Rob Heinsoo (lead designer of "Dungeons & Dragons" 4th Edition) and Jonathan Tweet (lead designer of "D&D" 3rd Edition), and published by Pelgrane Press.  It was released on August 3, 2013, and the pre-release version was a nominee for the RPG Geek RPG of the Year 2013.  As of December 2013 the ENWorld hot games list showed that discussions of it were responsible for 2.6% of all "D&D" related web traffic they had been able to index. Charles "Chuck" Jordan is an American game designer, writer, and programmer.  He co-wrote "The Curse of Monkey Island", wrote three episodes of "Sam & Max Save the World", was the lead writer and co-designer of "Sam & Max Beyond Time and Space", designed and co-wrote two episodes of "Strong Bad's Cool Game for Attractive People", and was the designer of "", as well as season lead designer for the "" season on the whole.
Answer: February 27, 1910