John "Jack" C. Hoy '55, the dean of admissions at Wesleyan in the 1960s who oversaw a radically new commitment to expanding racial, religious and economic diversity on campus, died July 9 at his home in Duxbury, Mass. He was 79 years old. Hoy, who also held an MALS degree from Wesleyan in 1961 and was the parent of two alumni from the classes of 2003 and 2005, was deeply involved with Wesleyan for nearly his entire adult life. As an undergraduate, he majored in history, competed on the swim team, and was a member of the Eclectic Society fraternity.…