After studying land-use planning at the University of Toronto in the 1970s, Dr. Ladell turned to consulting work and writing. His publications include numerous technical papers as well as magazine articles on colonial and medical history and a range of popular subjects. He is co-author, with his wife, Monica, of two books on the agricultural history of Ontario. The Ladells, who have two children, live in Scarborough.
John and Monica Ladell compile a history of the family farms in Ontario, Canada. The original version of this title was published by Macmillan of Canada in 1979.