Ivan Antonovič Jefremov

* 22. 4. 1907, Rusko (Russian Fedaration)
8. 10. 1972, Leningrad, Rusko (Russian Fedaration)
geologist, paleontologist, writer

 

nationality: Russian
sex: male

notes:
Ефре́мов, Ива́н Анто́нович, 1908-1972