Margherita Hack (1922-2013) was an Italian astrophysicist. She was an international expert in the field, and member of numerous prestigios associations, including NASA and the European Space Agency.
In 1964 she became the first female administrator of the Trieste Astronomical Observatory. In 1985 she became the Director of the Astronomy Department at the University of Trieste. The asteroid 8558 Hack, discovered in 1995, is named after her.