To supplement this work, the Embryologist has studied the early stages of animals, as their development throws a side-light on their past history.
"Animals of the Past"
Frederic A. Lucas
Among my privileges I must not overlook that of passing much of my time on the immediate sea-shore, where the resources for the zoologist and Embryologist are inexhaustible.
"Louis Agassiz: His Life and Correspondence"
Louis Agassiz
Thus von Baer as an Embryologist gave Spencer as a general evolutionist a concrete basis for the concept of development which was simmering in his mind.
"Herbert Spencer"
J. Arthur Thomson