Paula Julie Elisabeth Hertwig was born in Berlin, October 11, 1889. She was the daughter of Oscar Hertwig, a university professor; sister of the anatomist, Günther Hertwig; and niece of the zoologist, Richard Hertwig. She graduated from high school in 1908, at the Realgymnasium. She studied zoology, botany, and chemistry at the University of Berlin, medical PhD. After that she was an assistant at the Anatomical-Biological Institute of the University of Berlin. During the period of 1916–21, Hertwig was an unpaid zoology assistant in her father's Anatomical Institute. She habilitated in 1919, as the first woman at the then Friedrich-Wilhelms-Universität Berlin in the field of zoology. Afterwards, she was a Privatdozentin for General Biology and Heredity at this institute. In 1921, she was also appointed as an assistant to the Institute for heredity and breeding research of the Agricultural College, where she worked for Erwin Baur. From 1927 to 1945, she was associate professor of genetics at the Biological-Anatomical Institute of the Medical Faculty of the University of Berlin. As the first biologist at a German university, she taught biology there for medical students. In 1940, she was appointed Head of the Zoological Department of the Institute of Inheritance. Hertwig, who belonged to the German Democratic Party, was elected in 1932 as Member of Parliament in the Prussian Landtag and in February 1933 again as a deputy in the last Prussian Landtag. In the period of Nazi Germany in 1937, she was a member of the National Socialist German Lecturers League, but did not join the Nazi Party. From 1937, she worked with the Max Planck Institute for Brain Research and became a secretary of the Deutschen Gesellschaft für Vererbungswissenschaft. From 1939, she also worked as a research assistant at the Institute of Heredity and Breeding Research of the University of Berlin in Zehlendorf. In the years 1941 to 1942, she participated in the DFG research project Erbschädigungsprobuche on mice. on 7-9 March 1947 in the Admiralspalast in Berlin. In May 1945, she received a call to the Faculty of Medicine of the Martin Luther University of Halle-Wittenberg, where in 1948, she became professor of General Biology and Heredity. At the founding congress of the Democratic Women's League of Germany in March 1947, she was elected a member of the Federal Executive Committee. From 1947 to 1948, she was chair of the state association Saxony-Anhalt of the DFD; and from March 1948 to March 1949, a member of the 1st People's Council in the Soviet occupation zone. In 1953, she was elected a member of the Academy of Sciences Leopoldina. Since 1955, she was a member of the Saxon Academy of Sciences and Humanities. In 1956, she was awarded the National Prize of the German Democratic Republic and the Patriotic Order of Merit in bronze, and in 1959, the title of Outstanding Scientist of the People. The following year she retired. In 1972, Hertwig moved to Villingen-Schwenningen in the Black Forest. In June of the same year, the Faculty of Medicine of Heidelberg University awarded her an honorary doctorate. Hertwig is one of the founders of radiation genetics alongside Emmy Stein. Hertwig-Weyers syndrome, which describes oligodactyly in humans as a result of radiation exposure, is named after her and her colleague, Helmut Weyers. Hertwig died in Villingen-Schwenningen, March 31, 1983.
Selected works
Durch Radiumbestrahlung verursachte Entwicklung von halbkernigen Triton- und Fischembryonen, 1916
Ein neuer Fall von multiplen Allelomorphismus bei Antirrhinum, 1926
Handbuch der Vererbungswissenschaft. III, A. u. C, Partielle Keimesschädigungen durch RAdium und Röntgenstrahlen, 1927
Die genetischen Grundlagen der Röntgenmutation, 1932
Energiehaushalt : besondere Einflüsse auf Ernährung und Stoffwechsel, 1932
Die künstliche Erzeugung von Mutationen und ihre theoretischen und praktischen Auswirkungen, 1932
Handbuch der Ernahrung und des Stoffwechsels der Landwirtschaftlichen Nutztiere als Grundlagen der Futterungslehre. 4, Energiehaushalt. besondere Einflusse auf Ernahrung und Stoffwechsel, 1932
Geschlechtsgebundene und autosomale Koppelungen bei Hühnern, 1933
Deutsche Gesellschaft Vererbungswissenschaft : Bericht über die... Jahresversammlung Im Auftrage der Gesellschaft herausgegeben von Paula Hertwig., 1934
Erbanlage und Umwelt, 1934
Der Alkohol in seiner Wirkung auf die Fortpflanzungszellen, 1935
Artbastarde bei Tieren, 1936
Handbuch der Vererbungswissenschaft, 1936
Strahlenschäden und Strahlenschutz im zellulären Bereich, 1957
Anpassung, Vererbung und Evolution., 1959
Differences in the development capabilities of F₁ mice after x-raying of spermatogoniia and mature and immature spermatozoa, 1959