21. In 1941 McCarthy was promoted to First Class Scientific Assistant and then appointed as curator of the anthropological collections. 22. After 1966, he was a scientific assistant at the zoological institute of the Darmstadt University of Technology at Darmstadt. 23. She worked as scientific assistant at the Free University of Berlin, then as dramaturge and writer at the Staatstheater Hannover. 24. He graduated in Germanic philology and started his career a scientific assistant " Algemene Literatuurwetenschap " and as a teacher. 25. As Scientific Assistant in the Department of Entomology, Gray was the primary educator and communicator on the subject of insects. 26. He worked in the government's Forensic Department as a scientific assistant , which he later resigned in 1999 to contest polls. 27. From 2008 to 2013, Wenninger was a scientific assistant professor at the Institut f�r Zeitgeschichte of the University of Vienna. 28. In 1948, he was the scientific assistant to the President of the National Research Council of Canada ( NRC ). 29. He was employed as a scientific assistant to Addison Emery Verrill, alongside Verrill's chief assistant, the carcinologist Sidney Irving Smith. 30. Thereafter he was a scientific assistant at the Institute of Astronomy of the University of Bochum from 1969 until 1976.