Adolf Froelich
Adolf Froelich (born December 24, 1887 in Łaziska , Poland , † November 1943 in Warsaw ) was a German-Polish inventor , dentist and participant in the Polish-Soviet war .
Life
Adolf Froelich was born to Reinhold Froelich ( landlord ) and Antonina Wilhelmina Józefina Froelich (née Majewska). From 1912 he studied brewing technology at the Weihenstephan Science Center . He also studied dentistry . He received his medical license in 1918.
In 1932, Adolf Froelich invented the twin propeller .
Froelich was an officer (rank: lieutenant) in the Polish armed forces . In his role as a dentist, he took part in the Polish-Soviet War .
bibliography
- Patent Office of the Republic of Poland, Patent Description No. 18229, Warsaw, August 21, 1933, Adolf Froelich, Podwójne śmigło .
Individual evidence
- ↑ PL 18229 B1 Patent description of the double propeller PL August 21, 1933
- ^ List of Polish officers on the website of the Museum of the Polish Army
| personal data | |
|---|---|
| SURNAME | Froelich, Adolf |
| BRIEF DESCRIPTION | German-Polish inventor, dentist and participant in the Polish-Soviet war |
| DATE OF BIRTH | December 24, 1887 |
| PLACE OF BIRTH | Łaziska , Poland |
| DATE OF DEATH | November 1943 |
| Place of death | Warsaw |