John Michael Smith passed away peacefully on Saturday, January 10, 2026, in Arlington, Massachusetts, at the age of 80. He was born in Boston, Massachusetts, on Thursday, March 15, 1945. John pursued a Bachelor of Science in Engineering from Boston University, earned in 1967. He later obtained a Master of Science in Pharmaceutical Science from the Massachusetts Institute of Technology in 1970. Beyond his academic pursuits, he found joy in fishing, woodworking, golfing, and reading historical novels. Time spent with his cherished family remained paramount. He is survived by his wife, Mary Smith; his daughter, Sarah Smith; and his sons, Michael Smith Jr. and Michael Smith. He was a beloved brother to Jennifer Smith and Jennifer Smithness, and a devoted son of Elizabeth Smith and Robert Smith. John's calm strength and heartfelt kindness left an indelible mark, leaving a legacy of continuous learning, skilled craftsmanship, and enduring family love.