Robert James Waller was an American writer, poet, musician and photographer best known for his 1992 novel The Bridges of Madison County. The novel, about a photographer who has an affair with a married woman in Iowa in 1965, was a major commercial success selling over 50 million copies worldwide. It was also adapted into a 1995 film starring Meryl Streep and Clint Eastwood. Waller studied at the University of Northern Iowa and later taught there before moving to Texas in the mid-1990s. He passed away in 2017 at the age of 77, having established himself as one of the bestselling authors of the 20th century due to the success of The Bridges of Madison County.