Gustav Ludwig Hertz was a German experimental physicist and Nobel Prize winner for his work on inelastic electron collisions in gases, and a nephew of Heinrich Hertz. Wikipedia
Born: July 22, 1887, Hamburg, Germany
Died: October 30, 1975 (age 88 years), East Berlin
Education: Ludwig Maximilian University of Munich (1907–1908), University of Göttingen (1906–1907), Humboldt University of Berlin, and more
Parents: Gustav Theodor Hertz and Auguste Hertz
Awards: Max Planck Medal and Nobel Prize in Physics
Children: Carl Hellmuth Hertz
Spouse: Charlotte Jollasse (m. 1943–1975) and Ellen née Dihlmann (m. 1919–1941)