Oscar Hertwig (21 April 1849 in Friedberg – 25 October 1922 in Berlin) was a German embryologist and zoologist known for his research in developmental...

football player Michael Hertwig (born 1960), German football player and manager Oscar Hertwig (1849–1922), German zoologist Paula Hertwig (1889–1983), German...

during fertilization. Richard Hertwig was the younger brother of Oscar Hertwig, who also analyzed zygote formation. The Hertwig brothers were the most eminent...

vaguely resemble the features of a bird, while the species name honors Oscar Hertwig. It is known from specimens preserving the skull and anterior portion...

Hertwig's rule, or the long axis rule states that a cell divides along its long axis. Introduced by the German zoologist Oscar Hertwig in 1884, the rule...

was first observed in 1827 by Karl Ernst von Baer. Only in 1876 did Oscar Hertwig prove that fertilization is due to fusion of an egg and sperm cell....

chemistry, and Oscar Hertwig for histology and embryology. During his time at Berlin University, Michaelis worked in the lab of Oscar Hertwig, even receiving...

through the membrane in order to form the male pronucleus. In 1876, Oscar Hertwig did a study on sea urchin eggs because the eggs of sea urchins are transparent...

April 20 – Nikolai Nebogatov, Russian admiral (d. 1922) April 21 – Oscar Hertwig, German zoologist (d. 1922) April 24 Emma Whitcomb Babcock, American...

October 22 – Lyman Abbott, American theologian (b. 1835) October 25 – Oscar Hertwig, German zoologist (b. 1849) October 30 – Géza Gárdonyi, Hungarian author...