USA: Duck-Rabbit optical illusion by American psychologist Joseph Jastrow (1899)

Jastrow's Duck-Rabbit drawing is based on an illustration published in Harper's Weekly (November 19, 1892, p. 1114). The Harper's Weekly drawing was based on a similar drawing published in Fliegende Blatter, Munich (October 23, 1892, p. 147).

Copyright:

Supplier: CPA Media Co. Ltd.

Credit:

Pictures From History