After more than four decades of service at Fermilab, Dan Assell will retire on Jan. 14. Now a senior technical specialist in APS-TD’s Magnet System department, Assell was hired in December of 1980 by Gregg Kobliska. He has worked in many areas over his 41 years with Fermilab. Starting in the Material Control department on the inspection of parts for building magnets, to Spool boxes, to SSC, to building tooling for LHC, to the Engineering Lab, to his current position…