Robert Mutel retired in May 2020 and Steven Spangler retired in May 2021.

We invite you to join us to celebrate their scientific careers and many years of inspiring and supporting students.

Saturday, October 8, 2022

Scientific Symposium at Van Allen Hall
Evening Event at Eastern Iowa Observatory and Learning Center; Ely, Iowa


cluster investigators _spangler mutel gurnett 1999
Steve Spangler and Robert Mutel with Donald Gurnett in 1999