Edwin Howard Armstrong By facebooker_100000183214005 Dec 18, 1890 Edwin Howard Armstrong was born Edwin Howard Armstrong was born Period: Dec 18, 1890 to Nov 1, 1950 Edwin Howard Armstrong Aug 12, 1902 the superheterodyn was patened Dec 1, 1913 The audion tube came into being during his junior year at the School of Engineering; upon graduating Feb 3, 1917 invitd to join the army as a captain edwin joined the us army as a captain and was sent to paris to help the army with the wireless communication Oct 2, 1919 sent back to the u.s in the fall of 1919 edwin was sent back to the u.s Jan 31, 1954 comitted suicide