Donald Norman MacVicar (1869-1929) and John Charles Allison Heriot (1862-1921) practised architecture together in Montreal. Heriot was born in Montreal and studied at Cornell University. Initially he practised in the state of New York, returning to Montreal in 1893, at which time he formed a partnership with Alexander F. Dunlop. Later he became the partner of MacVicar.

Donald Norman MacVicar (1869-1929) et John Charles Allison Heriot (1862-1921) ont exercé l'architecture ensemble à Montréal. Heriot est né à Montréal et a étudié à l'Université Cornell. Il a d'abord pratiqué dans l'État de New York puis est revenu à Montréal en 1893 et s'est alors associé à Alexander F. Dunlop. Plus tard, il est devenu l'associé de MacVicar.

Richard Henry Brown was born on November 12, 1837, in London, England.

He was a civil and mining engineer and the first elected Mayor of Sydney Mines. He studied at Harvard University from 1860 to 1861 and returned to Sydney where he succeeded his father as General Manager of the General Mining Association, retiring in 1901. He was also an amateur photographer and artist.

In 1864, he married Barbara Purves Davison (1842-1898). He died on February 9, 1920, in Halifax, Nova Scotia.

Richard Brown was a mining engineer and geologist, and one of the earliest coal paleobotanists. He studied the geology of Nova Scotia, specifically Sydney Mines.