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Roy Gravel was a researcher at the University of Calgary in the faculties of Medicine and Kinesiology in the Department of Biochemistry and Molecular Biology and cross-appointed in Medical Genetics. Prior to that, he served as scientific director of the McGill University-Montreal Children’s Hospital Research Institute and also woked at the Hospital for Sick Children in Toronto. Gravel served as the Director of the McGill Group in Medical Genetics from 1994 to 2001.

Rufus Graves was one of three initiators of a project to build the White River Falls Bridge over the Connecticut River in Hanover, New Hampshire.

Arthur Fairfield Gray was born on January 9, 1855, in Beverly, Massachusetts.

He was an American civil engineer, architect, and malacologist. He was trained as a civil engineer. In 1890, he established an architectural and engineering firm in Boston, Massachusetts, designing mill buildings, railway stations, and pumping stations. He also supplied illustrations for scientific works. Gray was a president of the Boston Malacological Club (1923–1927) and a member of the American Association of Conchologists.

In 1884, he married Mabel Stone (1863–1931). He died on November 1, 1944, in Watertown, Massachusetts.

Asa Gray was born on November 18, 1810, in Sauquoit, New York.

He was a botanist, considered the most important authority of American botany in the 19th century. Although he received a medical degree from Fairfield Medical School in 1831, he decided to devote his life to botanical studies. Harvard University appointed him Fisher Professor of Natural History in 1841, a post he held for over forty years. He was instrumental in unifying the taxonomic knowledge of the plants and his book "Gray's Manual of Botany" (1848) still remains a standard in the field. He was elected to the American Academy of Arts and Sciences and the Royal Swedish Academy of Sciences. In 1864, Gray's donation of 200,000 plant specimens and 2,200 books to Harvard created the botany department and the Gray Herbarium was named after him. He was a pioneer in the study of plant geography. He was an ardent supporter of Darwin’s theories of evolution and "The Origin of Species". He was president of the American Association for the Advancement of Science (1872), the American Academy of Arts and Sciences (1863–1873), and a regent at the Smithsonian Institution (1874–1888). In 1984, the Asa Gray Award was introduced to honor a living botanist for career achievements.

In 1848, he married Jane Lathrop Loring (1821–1909). He died on January 30, 1888, in Cambridge, Massachusetts.