Alpheus Todd

Alpheus Todd CMG (July 30, 1821 – January 22, 1884) was an English-born Canadian librarian and constitutional historian, most notable for his publications on parliamentary government.

Todd was born in London, England, the son of an author, Henry Cooke Todd. His family emigrated to York, Upper Canada in 1833. The following year, York was incorporated as the city of Toronto; Todd, though young, produced an Engraved Plan of the City of Toronto, which brought him to the attention of the prominent lawyer, Robert Baldwin Sullivan. In 1835, Sullivan helped Todd obtain employment in the library of the House of Assembly of Upper Canada; in 1836 he became assistant librarian.

Drawing on his experience in the House of Assembly's library and a keen interest in British parliamentary practice and its application in Canada and other British colonies, Todd published The Practice and Privileges of the Two Houses of Parliament in 1840. When, in 1841, Upper and Lower Canada were merged, Todd was appointed assistant librarian to the Legislative Assembly of the united province, which adopted his Practice and Privileges as an official guide for members.

On March 31, 1856 Todd became chief librarian of the Assembly. Upon confederation in 1867, he was appointed librarian to the Dominion Parliament, a position he would hold until his death. Beginning in 1867, he wrote and published his most important work,On Parliamentary Government in England, an epic two-volume treatise on the British constitution and its conventions, including an examination of parliamentary privilege, and a defence of executive authority and the Royal Prerogative. The work was widely acclaimed in Britain and across the Empire, establishing its author as an authority on constitutional matters. The book ran to several editions, and was soon translated into French, German, Spanish, and Italian.

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