1852 - 1895
John A. Ryder Zoologist
01
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John A. Ryder is a member of the following lists: American zoologists, 1852 births and University of Pennsylvania faculty.
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Details
| Birthday |
29th February, 1852
|
| Died |
26th March, 1895
|
| Zodiac Sign |
Pisces
|
| Occupation |
Zoologist
|
John Adam Ryder (February 29, 1852, Franklin County, Pennsylvania – March 26, 1895), was an American zoologist and embryologist. He worked for the United States Fish Commission from 1880 to 1886 and Professor of Comparative Embryology at the University of Pennsylvania from 1886 to 1895.
