Braun
1. Eva . 1910--45, Adolf Hitler's mistress, whom he married shortly before their suicides in 1945
2. Karl Ferdinand. 1850--1918, German physicist, who invented crystal diodes (leading to the development of crystal radio) and the oscilloscope. He shared the Nobel prize for physics (1909) with Marconi
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005