Kovalevskii

Aleksandr Kovalevskii

Russian biologist Aleksandr Kovalevskii (Kowalevsky) is notable for his foundational contributions to modern comparative embryology. Raised in a secular society with his brother Vladimir, Kovalevskii received his master’s degree from St. Petersburg University for his studies of Amphioxus lanceolatus. The results from his research gained him admittance into the Russian Academy of Sciences, the Paris Academy

Vladimir O. Kovalevskii

Russian paleontologist Vladimir O. Kovalevskii was noted for his contribution to the development of phylogenic sequences or stages of evolution in species with an adaptive perspective. Brother to biologist Aleksandr, Vladimir is perhaps best known for his depiction of the transitional sequence involving the species Equus. Although educated in law as an undergraduate, he paid