Template:Shumway1935 table1
From Embryology
Embryology in the classic period | |||||
4th century B.C. | Aristotle | ||||
Embryology in the Renaissance period | |||||
(Before the general use of the microscope) | |||||
1651 | Harvey | Epigenesis | |||
(After the general use of the microscope) | |||||
1672 | Malpighi | Preformation | |||
1768 | Wolff | Epigenesis | |||
Embryology in modern times | |||||
1839 | von Baer | Comparative embryology | |||
1839 | (Schleiden and Schwann announced cell theory) | ||||
1859 | (Darwin announced theory of natural selection) | ||||
1866 | Haeckel | Biogenetic law | |||
1866 | (Mendel announced laws of inheritance) | ||||
(Microscopic technique being developed) | |||||
1874 | His | Experimental embryology | |||
1878 | Whitman | Cell lineage | |||
1883 | Roux | Mechanics of development | |||
1891 | Weismann | Theory of the germplasm | |||
1899 | Loeb | Artificial parthenogenesis | 1900 | (Rediscovery of Mendel’s laws) |