Wladimir Petrovich Köppen was a Russian–German geographer, meteorologist, climatologist and botanist. After studies in St. Petersburg, he spent the bulk of his life and professional career in Germany and Austria. Wikipedia
Born: September 25, 1846, Saint Petersburg, Russia
Died: June 22, 1940 (age 93 years), Graz, Austria
Grandparent: Johann Friedrich Köppen
Education: Leipzig University (1869–1870), Saint Petersburg State University, and Heidelberg University
Children: Else Koppen Wegener
Nationality: German
Grandchildren: Hanna Charlotte Wegener, Hilde Wegener, and Sophie Käte Wegener