Debra Meloy Elmegreen (born November 23, 1952 in South Bend, Indiana) is an American astronomer. She was the first woman to graduate from Princeton University with a degree in astrophysics, and she was the first female post-doctoral researcher at the Carnegie Observatories. Since 1985, she has been a professor of astronomy at Vassar College, currently on the endowed Maria Mitchell Chair. She wrote an astronomy textbook published by Prentice Hall in 1997. She served as president of the American Astronomical Society from 2010-2012. On August 30, 2018 was named President-elect of the International Astronomical Union (IAU) at the group’s 30th triennial General Assembly in Vienna, Austria and became IAU President in 2021. Source: Wikipedia (en)