Samuel Robert Briggs was born on September 27, 1840, in Yorkshire County, England. He was a Canadian lumber dealer, shipping and commission merchant. He died on September 4, 1887, in Toronto, Ontario.

Charles Augustus Brinley was born on August 23, 1847, in Hartford, Connecticut.

In 1865 and 1866, he became part of a U.S. Army expedition to survey roads for wagons in Arizona and California. As an amateur photographer, he was assigned to photograph the terrain. He was considered a pioneer in this field. After the termination of the expedition, he returned to the East where he graduated from the Sheffield Scientific School, Yale University in 1869 and did post-graduate work in metallurgy and chemistry. In 1871, the Arizona Territorial Legislature commissioned him and two others to prepare and publish a pamphlet on the resources of Arizona (pastoral, mineral and agricultural). In 1872, he became the superintendent of the Midvale Steel Works in Philadelphia. In 1882, he became a manager at Franklin Sugar Refineries in Philadelphia and then the Managing Director and President of the American Pulley Company. He was a member of many groups, e.g., Society of Mayflower Descendants, Society of Cincinnati, Sons of The American Revolution, Rittenhouse Club, Philadelphia, and Cricket Club.

In 1877, he married Mary Goodrich Frothingham. He died on March 2, 1919, in Philadelphia, Pennsylvania.

Charles John Chester Briscoe was born in 1812 or 1813 in the Bay of Bengal, Indian Ocean. He was the only son of Charles J. Briscoe, Esq. (before 1796-1830) and spent many years in St. Andrews, New Brunswick. He served as the comptroller of St. Andrews customs until 1847, when he moved to St. John and took on the role of warehouse keeper.

He died on November 14, 1887, in Witney, Oxfordshire, England.

Canadian specialist in 18th-century French books, antiquarian bookseller, and former rare books curator and librarian at the Library and Archives Canada in Ottawa and Bibliothèque nationale du Quebec in Montreal. He is the author of the books, "Impressions" (1999), "The Printing of Handbills in Quebec City, 1764-1800" (1995) and its French version, "L'imprimerie à Québec au XVIIIe siècle: les feuilles volantes et affiches, 1764-1800" (2005).