JOHN LESLIE DEMING, SR.

Wilmington- John Leslie Deming, Sr., age 75, passed away on Saturday, March 31, 2018.
He was born in Cheyenne, WY and was the son of the late John Ernest and Bernice (McDermott) Deming. He was a direct descendant of John Deming, Wethersfield, CT an original patentee of the Connecticut Colony. He graduated from Balboa High School in 1961, in the Panama Canal Zone. John received his B.S., M.S. and Ph.D. from the University of Nebraska in Chemical Engineering. John proudly served his country in the US Army. He worked for the DuPont Company, then Ciba Specialty Chemicals for over 40 years. John was the Newport Site Plant Manager and VP of Government Relations with Ciba.
He was a board member of The Christina Conservancy and The Delaware Manufacturing Association. He enjoyed scouting and was an Assistant Scoutmaster for Troop 61 in Claymont and the recipient of 1997 Good Scout Award, Delmarva Council. He was also a Scoutmaster at the 1981 National Jamboree, Lodge Adviser for Nentego Lodge 20 and a Wood Badge Instructor.
John was a model train enthusiast who enjoyed building a large scale train layout in his basement. He enjoyed spending a lot of his time in Bethany Beach with his family.
He is survived by his wife of 53 years, Karen (Schmidt) Deming, 2 children, John L., Jr. and Suzanne Shoemaker (John); 5 grandchildren, John, Elizabeth, William, Jessica and Jacquelyn; 2 brothers, Dennis (Vicki) and William (Annette) Deming.
A viewing will be held on Monday, April 9, from 5-7 pm, at the McCrery & Harra Funeral Home, 3924 Concord Pike, Wilmington. A Mass of Christian Burial will be celebrated on Tuesday, April 10, at 10:30 am, at St. Joseph on the Brandywine, 10 Old Church Rd, Greenville, DE. Burial will be held privately.
In lieu of flowers, the family suggests donations be made to The Christina Conservancy – C/O Edward W. Cooch, Jr. Environmental Scholarship, 1201 Orange St. Suite 640, Wilm., DE 19801.
For online condolences please visit www.mccreryandharra.com