On Thursday, May 30, 2019, Leonard Eugene "Gene" Voelker, Sr., passed away at the age of 75 due to complications from a heart attack. Born and raised in Baltimore, Md., he attended Loyola College (B.S.) and then Northwestern University (M.S., Ph.D.). He moved to Livermore in 1970 and was a resident since, enjoying a long career at Sandia National Laboratories until retirement. He was a lifelong water sports enthusiast (boating, fishing, windsurfing, scuba, and rafting), explored the great outdoors with many family camping and hiking trips, and always enjoyed spending time on mechanical, electrical, woodworking and gardening projects. He is survived by his two sons Gregory and Geoffrey. Gene's wife Loretta passed in 2013, and his oldest son Gene Jr. in 2018.

A viewing for Gene, Sr., will be held on Tuesday, June 11, 2019, at 1 p.m. at Callaghan Mortuary at 3833 East Ave., Livermore, followed by a graveside service at 2 p.m. at St. Michael Cemetery at 3885 East Ave., Livermore.

Callaghan Mortuary is honored to be serving the Voelker family. An online guestbook is available for condolences at www.callaghanmortuary.com.