Mr. Ladd was a graduate of the University of Vermont. After serving in the U.S. Army, he worked as a book seller in Sweden before eventually landing in New York. Mr. Ladd enjoyed a successful career at Charles Scribner’s Sons and was a director at the Association of American Publishers. Following his retirement, Mr. Ladd served as a television producer for the A&E program, Open Book, an interview talk show featuring authors and their work. In Palm Beach, he developed an interview format breakfast series at The Brazilian Court called the Book and Author Breakfast. Mr. Ladd, along with his husband — international fashion designer Arnold Scaasi — and their friend and journalist Liz Smith, was a founder of the nonprofit organization Literacy Partners Inc.