Gary Alan Sperline passed away peacefully in his sleep at home on November 28, 2014. He was born November 16, 1953 to Paul D. and Delma J. (Brown) Sperline. He was preceded in death by his mother. Gary is survived by Debbie (Luker), his wife of 27 years, they had no children. Gary is also survived by his father Paul, brothers Roger, PhD and wife Sue, PhD who have no children, and Lyle and wife Tami, their children are Randi and Nicholas. Gary attended WSU, graduated with a B.A. and worked as a piping engineer at Sandvik Metals plant and at Hanford's VIT plant. Gary had a passion for music and a love of cats. He had a huge heart and a grand sense of humor. He liked motorcycles, the outdoors, family, friends and fun. An informal Celebration of Life is scheduled for Gary on Thursday, December 18, 2014, 2:00 p.m., at Mueller's Tri-Cities Funeral Home, 1401 S. Union Street in Kennewick.