Mary F. Williamson is a retired fine-arts bibliographer and adjunct faculty in graduate art history at York University. She co-authored Art and Architecture in Canada (1991), and her recent writings on nineteenth- and early-twentieth-century cookery have appeared in Covering Niagara: Studies in Local Popular Culture (WLU Press, 2010) and The Edible City (2009).
Tom Sharp is the younger of the two boys who came to live with the Williamsons in Canada. He had a civil service career in trade policy and was awarded the Commander of the British Empire (CBE) in 1987. He was an elected local councillor in Guildford, Surrey, a governor of two local schools, and a citizens' advice bureau member.