He is best known for pioneering the use of hydro-electric power in Canada, and the installation of electric light and telephone systems in Quebec.

[2][3] Sigismund Mohr was born to a Jewish family in Breslau, Kingdom of Prussia, in 1827.

[5] He also introduced telephones to the city, and his company eventually won the province-wide rights to Alexander Graham Bell's invention.

[4] In the 1880s, Mohr turned his attention to the development of electrical power in the region.

[7] Mohr continued to develop the electric lighting network in Quebec City until his death from influenza in 1893.