Honoring those whose dedication shaped our industry. Entries are listed by most recent first. Use the alphabetical index (A–Z) to locate an individual by last name.

  • Robert B. Hopler

    Robert Bartley Hopler Jr., of North Richland Hills, Texas, passed peacefully surrounded by the love of his family on Tuesday, February 20, 2024. Bob was born on March 3, 1932, and grew up in Madison, New Jersey. After high school he attended college on an ROTC scholarship at the Missouri School of Mines, in Rolla, his keen interest in math and science having led him to the study of engineering. There he met Helen (Gaddy), the love of his life. Over the years they made their home in a number of states and traveled widely. They were married 66 years, until Helen passed in 2021.

  • Jon Stiehr

    Mr Jon Florian Stiehr, age 76, of Hoschton, passed away on Friday, February 2, 2024. The memorial service will be held Saturday, March 2, 2024 at Chestnut Mountain Presbyterian Church. Pastor John Batusic will officiate. The family will receive friends at the church from 10:00 A.M until the memorial service begins at 11 A.M.

  • Russell F. Boren

    Russell F. Boren, Sr., 91, of Oneonta, AL., passed away on September 10, 2023. Russell loved Auburn, Blount County, all churches, and most of all – his family.

  • David M. Baldauf

    David “Davey” M. Baldauf (Buck), age 73, of Lakewood Ranch, Florida, formerly of New Castle, PA and the Shenango Valley Area, died unexpectedly on Saturday, May 13, 2023 at home.

  • John Brady Nelson

    John Brady Nelson was born in Atlanta, Georgia, to Clifford John and Mary Elizabeth Nelson. John graduated from Archbishop John Carroll High School in 1959 and later joined the Marines. For nearly 30 years, with Tri-State Explosives, John thoroughly enjoyed demolishing and imploding structures in the tri-state area - Washington DC Metro Redline, the Gannett buildings in Arlington, a well-researched documentary on the battles at Antietam, coal mines in Pennsylvania - to name a few assignments. He was a member of the International Society of Explosives Engineers.