During his time at IBM, he was awarded numerous patents through the US patent office.
Leonard was a loving husband, father and grandfather. He enjoyed playing various musical instruments, gardening and flying model airplanes.
He is survived by his wife Mary of 58 years; brother Albert Wallace; daughter Nannette (Tom) Gorman; sons Doug (Debbie) Wallace and Tim Wallace; grandchildren Patrick, Brendan, and Caroline Gorman.
A Mass of Christian Burial will be held at 12pm on Monday, November 9, 2015, at St. John Neumann Catholic Church in Charlotte.
There will be a reception after the Mass in the church hall.
Interment will follow reception at Sunset Memory Gardens.
In lieu of flowers, you may send donations to The Foundation for Peripheral Neuropathy, online at http://www.foundationforpn.org/
Condolences may be offered at www.mcewenminthillchapel.com
Arrangements under the direction of McEwen Funeral Service - Mint Hill Chapel, Mint Hill, NC.