Andreas Koehler
1930 - 2015
Andy Koehler was a physicist at Harvard, at one point the only employee at the Harvard Cyclotron, who later became the director of the Harvard Cyclotron Laboratory.
Ugo Amaldi , Particle Accelerators: From Big Bang Physics to Hadron Therapy, Springer, 2015, pg. 228, Google Books,
https://books.google.com/books?id=VBPmBQAAQBAJ&pg=PA228 (accessed 02/05/2015)
https://books.google.com/books?id=VBPmBQAAQBAJ&pg=PA228 (accessed 02/05/2015)
"A Brief History of the Harvard University Cyclotrons. by Richard Wilson," Department of Physics, Harvard University, http://users.physics.harvard.edu/~wilson/cyclotron/history.html (accessed 02/05/2015)