Edwin Parmalee Van Deusen
Parents
Spouse
Claire Elliot Tatem
Claire Elliot Tatem
1883 - 1926
Children
Abigail Van Deusen
Abigail Van Deusen
1905 - 1970
Adelaide Van Deusen
Adelaide Van Deusen
1907 - 1908
Siblings

1900


Age: 15y

1905


Aug 8
Age: 20y

1907


Dec 19
Age: 23y
1907 • The triode thermionic amplifier invented by Lee de Forest, starting the development of electronics as a practical technology.

1934


Jan 4
Age: 49y
1934 Kārlis Ulmanis establishes an authoritarian government in Latvia.

Tags