Walther Rathenau

German businessman, writer, art collector and politician (1867-1922).

Born September 29th, 1867 in Berlin. [ref]

Died June 24th, 1922 at 54 years old in Berlin (ballistic trauma). [ref]

Occupations
art collector, engineer, entrepreneur, politician, science fiction writer, writer
Wikipedia

To the well-organized mind, death is but the next great adventure. J.K. Rowling