The Tevatron collider, the giant marvel accelerator built at the Fermi National Accelerator Laboratory in the eighties and operated there for over thirty years, until its demise in 2012, lost one of its fathers the other day, as Alvin Tollestrup passed away.
Tollestrup was maybe the key contributor to the project of putting together a 1-TeV particle accelerator, solving many issues for the construction of its superconducting magnets. But he also was for a long time the spokesperson of the CDF experiment, and the driving force behind the collective effort that led CDF to see a first evidence of the top quark in 1994, and then claim discovery for the long sought sixth quark in 1995.