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) |