Figure 3.
Nicolaas Hartsoeker.
Sketch of a homunculus enclosed in a human spermatozoon, 1694, from Essai de Dioptrique, Paris. Public domain via Wikimedia Commons.
Figure 3.
Nicolaas Hartsoeker.
Sketch of a homunculus enclosed in a human spermatozoon, 1694, from Essai de Dioptrique, Paris. Public domain via Wikimedia Commons.