Stuart Pottasch (16 January 1932 – 4 April 2018) was a professor at the University of Groningen and a researcher of planetary nebulae.

Stuart assembled one of the largest collections of cacti in the Netherlands, as well as keeping and breeding parrots.

Anna Maria died in 1989, after which he married Greet Mientjes and moved to an isolated farm house in Tolbert, Leek, Netherlands.

[2] He became a Professor of Astrophysics at the Kapteyn Astronomical Institute of the University of Groningen from 1963, a position he was offered by Adriaan Blaauw.

[1] He supervised 22 PhD students, including Harm Habing, Klaas de Boer and Jacqueline van Gorkom.