Richard G. Glas, age 90, of Economy Borough, passed away on May 20, 2024.  He was born the youngest brother of four on May 6, 1934, in Baden, to the late Estella A. (Barnes) and William H. Glas.  After graduating from Ambridge High School, he enlisted in the Pennsylvania Air National Guard, retiring after serving for 38 years at the rank of Senior Master Sergeant.  On June 7, 1958, he married the late Sylvia Stranko from Harmony Township and they moved to Economy Borough, where they resided for over 50 years.  In 1966 he was hired at Allegheny Airlines as a ground school instructor and simulator technician where he taught airline pilots the systems and procedures for DC-9 aircraft. He retired from the airline in 2000 after a 34-year career.  He is fondly remembered as a devoted husband, a loving father and grandfather, and a caring son to his parents. He was a member of the Scottish Rite Masonic Lodge and Our Savior’s Lutheran Church. He loved to be active and was always there for any family member needing help. His love, wisdom, and advice will be missed by all he touched.  He is survived by his brother Donald Glas of Jacksonville, FL; his two sons, Robert Glas of Economy Borough and Richard Glas and his wife Karen of Waxhaw, NC; three grandchildren, Jessica Boben and her husband Ken of Monroe, NC, David Glas of Durham, NC, and Sarah Glas of Chapel Hill, NC, and two great-grandchildren, Kenny and Finn Boben.  Visitation will be held Thursday from 6-8 PM in the John Syka Funeral Home, 833 Kennedy Drive, Ambridge, from where a funeral service will be conducted Friday at 11 AM.  Interment will follow in the Sewickley Cemetery.