Edith Clarke (February 10, 1883 – October 29, 1959) was the first female electrical engineer and the first female professor of electrical engineering at the University of Texas at Austin.
 She specialized in electrical power system analysis and wrote "Circuit Analysis of A-C Power Systems".
Dorothy Hill, AC, CBE, FAA, FRS (10 September 1907 – 23 April 1997) was an Australian geologist and palaeontologist, the first female professor at an Australian university, and the first female president of the Australian Academy of Science.
Marie Skłodowska Curie ( ; ] ; ] ; 7 November 18674 July 1934; born Maria Salomea Skłodowska; ] ) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity.
 She was the first woman to win a Nobel Prize, the first person and only woman to win twice, the only person to win a Nobel Prize in two different sciences, and was part of the Curie family legacy of five Nobel Prizes.
 She was also the first woman to become a professor at the University of Paris, and in 1995 became the first woman to be entombed on her own merits in the Panthéon in Paris.
Dame Leonie Judith Kramer, {'1': ", '2': ", '3': ", '4': "} (1 October 1924 – 20 April 2016) was an Australian academic, educator and professor.
 She is notable as the first female professor of English in Australia, first woman to chair the Australian Broadcasting Corporation and the first female chancellor of the University of Sydney.
 She was made a Dame Commander of the Order of the British Empire and a Companion of the Order of Australia.
Raija Tellervo Sollamo ("née" Pursula; born December 9, 1942 in Padasjoki) is a Finnish theologian and professor emerita of Biblical Languages in the Faculty of Theology, University of Helsinki.
 She was the first female professor in the field of theology in Finland.
 Between 1998 and 2003, Sollamo was vice-rector of the University of Helsinki, thereby becoming the first female vice-rector in Finland.
 From 2007 to 2010, she was president of the International Organization for the Study of the Old Testament (IOSOT).
Jenijoy La Belle is an American professor of English literature at California Institute of Technology.
 Hired in 1969, she became the first female professor in Caltech history.
 She is known for her fight to attain tenure in the early '70s, also at Caltech.
 In 1979 she was granted tenure, making her the first female tenured professor.
William Duane (February 17, 1872, at Philadelphia – March 7, 1935, in Devon, Pennsylvania) was an American physicist.
 A coworker of Marie Curie, he developed a method for generating quantities of radon in the laboratory.
Agathe Lasch (born 4 July 1879, in Berlin; died 18 August 1942, in Riga) was a German philologist.
 She was the first female professor of German studies in Germany, and the first female professor at the University of Hamburg.
 She founded the historical study of the Middle Low German language.
 As a Jew, Lasch was murdered during World War II.
Professor Dame Ann Patricia Dowling {'1': ", '2': ", '3': ", '4': "} (born 15 July 1952) is a British mechanical engineer who researches combustion, acoustics and vibration, focusing on efficient, low-emission combustion and reduced road vehicle and aircraft noise.
 From 2009 to 2014 she was Head of the Department of Engineering at the University of Cambridge, where she was the first female professor in 1993.
 She is also the President of the Royal Academy of Engineering, and the Academy's first female president.
Leyla Huseynagha qizi Mammadbeyova (Azerbaijani: "Leyla Məmmədbəyova" ; May 12, 1922 – May 23, 2006) was an Azerbaijani and Soviet scientist, pathologist, professor and honored scientist of Azerbaijan SSR.
 She was the first female professor in Azerbaijan in the field of pathology, the first female forensic medical expert, and the first female chief pathologist of Azerbaijan.

Question: William Duane's co-worker was the first female professor at which university?
Answer: University of Paris