Hermann henking biography samples

(b. Jerxheim, Germany, 16 June 1858; d.

Henking, Hermann - Encyclopedia.com

Berlin, Germany, 28 April 1942)

zoology.

Henking spent most of his professional career in applied fisheries research, but he also made substantial contributions to cytology and embryology in his youth. In 1878 he began studies in zoology at the University of Güttingen and completed a dissertation on the anatomy and development of the mite Thrombidium in 1882 under the direction of Ernst Ehlers.

Two years later he became an assistant to his former professor and, in 1886, Privatdozent at Góttingen. He retained this post until his transfer to the German Fisheries Association in 1892.

During these years Henking published a series of papers on the general biology and development of arachnids and did extensive studies on gametogenesis, fertilization, and embryology of insects.

In the course of this work he made the first observations on what were subsequently called sex chromosomes. In the maturing germ cells of the f Herman Samples - Home XYTAV