alfred lee loomis (november 4, 1887 â august 11, 1975) was an american attorney, investment banker, philanthropist, scientist/physicist, pioneer in military radar usages, inventor of the loran or long range navigation system, and a lifelong patron of scientific research. he established the loomis laboratory in tuxedo park, new york, and his role in the development of radar is considered instrumental in the allied victory in world war ii. he invented the aberdeen chronograph for measuring muzzle velocities; proposed the loran navigational system;loomis, alfred l., agnew, paul g., klopsteg paul e., stannard, winfield h. (3 may 1921). "chronograph." u.s. patent no. 1,376,890. washington, dc: u.s. patent and trademark office. contributed significantly (perhaps critically, according to luis alvarez) to the development of a ground-controlled approach technology for aircraft; and participated in preliminary meetings of the manhattan project. loomis also made contributions to biological instrumentation; working with edmund newton harvey, he co-invented the microscope centrifuge, and pioneered techniques for electroencephalography. in 1937, he discovered the sleep k-complex brainwave.loomis al, harvey en, hobart ga. cerebral states during sleep as studies by human brain potentials. j exp psychol 1937;21:127â44.abstractcolrain im. (2005). the k-complex: a 7-decade history. sleep. 28(2):255-73. pmid 16171251 ==early years==  born in manhattan, loomis was the son of julia josephine stimson and henry patterson loomis, and grandson of alfred lebbeus loomis. there were prominent members of society on both sides of his family; primarily they were physicians. alfred's parents separated when he was very young, and his father died when alfred was in college. his first cousin was henry stimson, who held cabinet-level positions in the administrations of william howard taft, herbert hoover, franklin roosevelt, and harry s. truman. from the boy's early years, stimson exerted considerable influence on loomis. loomis attended [[ph
1887_births 1975_deaths American_financiers American_lawyers American_philanthropists American_scientists Harvard_Law_School_alumni Hilton_Head_Island,_South_Carolina Medal_for_Merit_recipients Members_of_the_United_States_National_Academy_of_Sciences People_from_Hilton_Head,_South_Carolina People_from_Manhattan Radar_pioneers Wesleyan_University_people Yale_University_alumni