SCOTTSDALE, Ariz. — Gospel hymn writer John W. Peterson, who authored more than 1,000 hymns and 35 cantatas, died of cancer Sept. 20 in Scottsdale, Ariz. He was 84. Born in Lindsborg, Kan., Nov. 1, 1921, he served as a transport pilot in World War II. After the war, he attended Moody Bible Institute in Chicago, and in 1953, he…