Ivan Petrovich Pavlov was a Russian and Soviet experimental neurologist and physiologist known for his discovery of classical conditioning through his experiments with dogs. Pavlov also conducted sign
Pavlov in his later years
The Pavlov Memorial Museum in Ryazan, Pavlov's former home, built in the early 19th century
A 1935 portrait of Pavlov by Mikhail Nesterov
Elias von Cyon, also known in French as Elie de Cyon, was a Russian and French physiologist. He was born to Jewish parents in Telšiai in the Russian Empire. His father was a Cantonist.
Lithograph of Elias von Cyon, c. 1880