Oskar Pfungst died in 1933.
Oskar Pfungst was born in 1874.
Oskar Pfungst practiced the Expectancy Theory. He is most famous for proving horse, Clever Hans, was not actually counting but rather reacting to the human body language.
Horse
Oskar Daubmann died in 1954.
Oskar Jæger died in 1933.
Oskar Böhme died in 1938.
Oskar Langendorff died in 1908.
Oskar Becker died in 1964.
Oskar Heil died in 1994.
Oskar Fehr died in 1959.
Oskar Korschelt died in 1940.
Oskar Vogt died in 1959.