Joseph Willcox was born on August 11, 1829, in Ivy Mills, Delaware County, Pennsylvania.

He was a paper manufacturer and naturalist. Willcox and his brothers (Willcox Paper Mill) manufactured the banknote and bond papers for the U. S. Treasury Department during the Civil War. He was Colonel of the 16th Regiment of the Pennsylvania militia. He graduated from the Sheffield Scientific School at Yale University in 1887 and served as one of the commissioners in charge of the second Geological Survey of Pennsylvania for fifteen years. He was a long-time Trustee of the Wagner Free Institute of Science (1878-1918) and was associated with the Academy of Natural Sciences of Philadelphia. Willcox travelled to Florida in the 1880s to collect paleontological, geological, zoological, and archeological specimens. He published the book "Ivy Mills, 1729-1866: Willcox and Allied Families" (1911).

In 1864, he married Elizabeth Philipson Morgan (1827–1909). He died on September 30, 1918, in Philadelphia, Pennsylvania.

Paul Willcocks is an award-winning writer, former newspaper publisher, and journalist with over 30 years of experience. After growing up in Toronto and attending university in Montreal, he headed west and landed at The Advocate, the daily newspaper in Red Deer, Alberta. As the police and court reporter, he got early exposure to the fascinating world of criminals, cops, and courts. He was the first journalist honoured with the Jack Webster Commentator of the Year Award and a two-time National Magazine Awards finalist. Willcocks is proudest of a Michener Award for Public Service Journalism won as part of a four-person team at the Victoria Times Colonist. He also served as a columnist and editorial writer at St. John Telegraph Journal in New Brunswick, the Peterborough Examiner in Ontario, and Victoria Times-Colonist in British Columbia. He is now a senior editor with The Tyee in British Columbia. In 2012, Willcocks and his partner Jody Paterson left Victoria for two years as Cuso International volunteers in Honduras, helping develop the capacity of Honduran development organizations. In 2014, he published the book "Dead Ends: B.C. Crime Stories." He lives in Victoria, where he and his partner have been full-time housesitters since 2016.

David Francis Henry Wilkins was born in 1846 in Charleston, Ohio.

He was a teacher and geologist. He studied at the University of Toronto (B.A.) and McGill University (Bac. App. Sc., 1875). In 1878, he became Professor of Chemistry and Geology at Albert College, Belleville, Ontario. In 1881, he was teaching in Chatham and in 1890, when he published his last papers, he was principal of Beamsville High School. Wilkins was prominent in the Hamilton Association for the Advancement of Literature, Science and Art and published articles on geology in the Canadian Naturalist, Journal and Proceedings of the Hamilton Association and Quarterly Journal of Science.

In 1881, he married Minnie Talbot Robinson (-1930).

Thomas J. Wilkie was born on May 10, 1842, in Richmond Hill, Ontario.

He was one of the pioneers of the Young Men's Christian Association. In 1869, he became the first General Secretary of the Toronto association. He was also involved in the development of the YMCA in Brooklyn, New York, becoming its secretary in 1880. In 1886, along with his brother John, he was hired to develop 64 acres of the prime waterfront land on Long Branch Avenue in Etobicoke. The project was named “Long Branch Park” and it housed the first boys’ summer camp. Wilkie also served as a travelling secretary and was instrumental in establishing many summer camps across Canada and the United States.

In 1874, he married Charlotte Cornell (c. 1843-), and in 1890, he married Mary McCord (1842-1909). He died on September 4, 1916, in Los Angeles, California.