William Alexander Henry (December 30, 1816 – May 3, 1888) was a Canadian

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...

 lawyer, politician, judge and one of the Fathers of Confederation.

After service as a cabinet minister in Nova Scotia

Nova Scotia

Nova Scotia is one of Canada's three Maritime provinces and is the most populous province in Atlantic Canada. The name of the province is Latin for "New Scotland," but "Nova Scotia" is the recognized, English-language name of the province. The provincial capital is Halifax. Nova Scotia is the...

 in governments led by both the Liberals

Liberal Party of Nova Scotia

The Liberal Party of Nova Scotia is a political party in Nova Scotia, Canada.-Origins:The party is descended from the pre-Confederation Reformers in Nova Scotia who coalesced around Joseph Howe demanding the institution of responsible government...

 and the Conservatives, Henry was a delegate to all three Confederation

Canadian Confederation

Canadian Confederation was the process by which the federal Dominion of Canada was formed on July 1, 1867. On that day, three British colonies were formed into four Canadian provinces...

 Conferences, and may have helped draft the British North America Act, i.e., the Canadian constitution. He was appointed to the Supreme Court of Canada

Supreme Court of Canada

The Supreme Court of Canada is the highest court of Canada and is the final court of appeals in the Canadian justice system. The court grants permission to between 40 and 75 litigants each year to appeal decisions rendered by provincial, territorial and federal appellate courts, and its decisions...

in 1875.