Mr. and Mrs. John A. Baker of Amherst celebrated their 50th wedding anniversary in their winter home in Sarasota, Fla. with a visit from two grandchildren from Cambridge, England, and a surprise visit from their son and family from Hawaii who attended the couple’s renewal of marriage vows at a Mass in St. Thomas More Church. In mid-January the couple will take a cruise through the Panama Canal. Mr. Baker and the former Leila “Lee” Reese were married Dec. 28, 1963, in Waterbury, Conn. He is a retired associate professor of exercise science at the University at Buffalo. She is manager of REV-UP, a volunteer program for UB retirees. The couple have two children and seven grandchildren.