Aleksander Czekanowski
Polish geologist and explorer
Aleksander Piotr Czekanowski, or Aleksandr Lavrentyevich Chekanovsky was a Polish geologist and explorer of Siberia during his exile after participating in the January Uprising. He took part in and later led several expeditions, surveying and... Wikipedia
Born: February 12, 1833, Kremenets', Ukraine
Died: October 30, 1876 (age 43 years), Saint Petersburg, Russia
Education: Taras Shevchenko National University of Kyiv and University of Tartu