Gerald Ephraim Hart was born on March 26, 1849, in Montreal, Quebec.

He was an insurance agent, numismatist, and author. He came from a prominent Canadian Jewish family. He was educated in Trois-Rivières, Montreal, and New York. He made his career in the insurance business and was based in Montreal from 1869 until 1896. He became general manager of the Citizens Insurance Company and then from 1890 held a similar position in the Montreal office of the Phoenix Fire Company of Hartford, Connecticut. Around 1896 he moved to Florida where he lived until 1934 when he returned to Montreal. Hart was best known as a collector of coins, medals, books, stamps, china, and furniture. His collections were closely linked to his interest in Canadian history. He published two books in this field, "The Fall of New France, 1755-1760" (1888) and "The Quebec Act, 1774" (1891). He was a life member of the Numismatic and Antiquarian Society of Montreal and from as early as 1869 served as an officer of the Society, publishing regularly in its journal.

He died on July 13, 1936, in Montreal, Quebec.

Rev. Thomas Hart was born on September 6, 1835, in Paisley, Renfrewshire, Scotland.

He was a missionary and educator. He moved to Canada with his family in 1872 and received his primary education in Perth, Ontario. He entered Queen’s University in 1857 (B.A., 1860; M.A., 1868; B.D., 1880). Later he taught a grammar school in Wardsville, Ontario, and was principal of the Perth grammar school for a number of years. In 1872, he arrived in Manitoba where he entered missionary work and taught at Manitoba College, lecturing in Hebrew and French. He became a professor in 1874. He was one of the founders of the University of Manitoba in 1877, a member of the University’s council, member of the Provincial Board of Education, secretary of the Board of Studies of the University in 1880, and from 1878 an examiner in the classics, member of the Board of Management and of the Senate of Manitoba College and secretary of both bodies, member of the Protestant section of the Board of Education for the Province 1878-1890, an examiner of the Public School Teachers of Canada, and an inspector of the Collegiate Schools of Manitoba. He was a founding member of the Historical and Scientific Society of Manitoba in 1878 and he served as its president in 1887.

In 1872, he married Isabella Margaret Mallach (1846-1928). He died on August 17, 1912, in Winnipeg, Manitoba.

Edward Hartley was born in 1847, in Montreal, Quebec.

He showed a great aptitude for the study of the natural and physical sciences and mechanics and studied at the Sheffield Scientific School of Yale College. He worked on the examination and surveying of mineral lands in Maryland, Pennsylvania, and North Carolina. In 1868, he was appointed an assistant geologist of the Geological Survey of Canada and a mining engineer in 1869. His principal work was done in connection with a survey of the Pictou Coal basin where together with Sir William Logan, they completed and published a geological map of the area. He was also a fellow of the Geological Society of England, France, and Scotland.

He died on November 10, 1870, in Pictou, Nova Scotia.