William Leggo
Encyclopedia
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
inventor, engraver
Engraving
Engraving is the practice of incising a design on to a hard, usually flat surface, by cutting grooves into it. The result may be a decorated object in itself, as when silver, gold, steel, or glass are engraved, or may provide an intaglio printing plate, of copper or another metal, for printing...
and businessperson
Businessperson
A businessperson is someone involved in a particular undertaking of activities for the purpose of generating revenue from a combination of human, financial, or physical capital. An entrepreneur is an example of a business person...
. He is noted for co-inventing the half-tone engraver with George-Édouard Desbarats
George-Édouard Desbarats
George-Édouard-Amable Desbarats was an influential Canadian printer and inventor.-Early life:He was born in Quebec, to George-Paschal Desbarats and Henriette Dionne. He was sent to College of the Holy Cross in Worcester, Massachusetts 1846...
. He had several patent
Patent
A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....
s to his name, including leggotyping and granulated photography.