Thomas Leopold "Carbide" Willson (March 14, 1860 – December 20, 1915) was a

Canadian Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...

inventor An invention is a unique or novel device, method, composition, idea or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an ...

. He was born on a farm near

Princeton, Ontario Princeton is a community in Blandford-Blenheim Blandford-Blenheim is a township in the Canadian province of Ontario, located in Oxford County. The township had a population of 7,359 in the Canada 2011 Census. Its government consists of a m ...

, in 1860 and went to school in

Hamilton, Ontario Hamilton is a port city in the Canadian province of Ontario. Hamilton has a population of 569,353, and its census metropolitan area, which includes Burlington and Grimsby, has a population of 785,184. The city is approximately southwest of T ...

. By the age of 21, he had designed and patented the first electric

arc lamp An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between carbon electrodes in air, invented by Humphry Davy in the first decade of the 1800s, ...

s used in Hamilton. He moved to the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

in search of opportunities to sell his ideas. In 1892, he discovered an economically efficient process for creating

calcium carbide Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C2. Its main use industrially is in the production of acetylene and calcium cyanamide. The pure material is colorless, while pieces of tec ...

, which is used in the production of

acetylene Acetylene (systematic name: ethyne) is the chemical compound with the formula and structure . It is a hydrocarbon and the simplest alkyne. This colorless gas is widely used as a fuel and a chemical building block. It is unstable in its pure ...

gas. In 1895, he sold his patent to

Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befo ...

. In the same year, he married Mary Parks in California and moved back to Canada. He built a house for his mother in

Woodstock, Ontario Woodstock is a city in Southwestern Ontario, Canada. The city has a population of 40,902 according to the 2016 Canadian census. Woodstock is the seat of Oxford County, at the head of the non-navigable Thames River, approximately 128 km from ...

in 1895. During 1900 and 1901, he moved to

Ottawa Ottawa (, ; Canadian French: ) is the capital city of Canada. It is located at the confluence of the Ottawa River and the Rideau River in the southern portion of the province of Ontario. Ottawa borders Gatineau, Quebec, and forms the core ...

and opened carbide plants both in Ontario (

Merritton Merritton is both a distinct community within and a council ward of St. Catharines, Ontario, Canada. It was named after William Hamilton Merritt, a prominent local entrepreneur and founder of the Welland Canal Company. Until 1858, Merritton was n ...

and Ottawa) and Quebec (

Shawinigan Shawinigan () is a city located on the Saint-Maurice River in the Mauricie area in Quebec, Canada. It had a population of 49,349 as of the 2016 Canadian census. Shawinigan is also a territory equivalent to a regional county municipality (TE) an ...

). In 1911, he founded the International Marine Signal Company to manufacture marine

buoy A buoy () is a floating device that can have many purposes. It can be anchored (stationary) or allowed to drift with ocean currents. Types Navigational buoys * Race course marker buoys are used for buoy racing, the most prevalent form of yac ...

s and

lighthouse A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mar ...

beacons. He was the first person to own an automobile in Ottawa.''Canadiana'' — "The Mystery of Meech Lake"
/ref> In 1907 he built a summer house on Meech Lake in what is now

Gatineau Park Gatineau Park (french: Parc de la Gatineau) is a federal park located in the Outaouais, Outaouais region of Quebec, Canada. Administered by the National Capital Commission as part of the National Capital Region (Canada), National Capital Region, ...

. The house is now owned by the federal government and notable for being the site of negotiations on the

Meech Lake Accord The Meech Lake Accord (french: Accord du lac Meech) was a series of proposed amendments to the Constitution of Canada negotiated in 1987 by Prime Minister Brian Mulroney and all 10 Canadian provincial premiers. It was intended to persuade the gove ...

. In 1911, he began experimenting with the condensation of

phosphoric acid Phosphoric acid (orthophosphoric acid, monophosphoric acid or phosphoric(V) acid) is a colorless, odorless phosphorus-containing solid, and inorganic compound with the chemical formula . It is commonly encountered as an 85% aqueous solution, w ...

in the manufacture of

fertilizer A fertilizer (American English) or fertiliser (British English; see spelling differences) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from ...

s at a mill on Meech Creek within the park. Due to this venture and running out of capital, he missed one interest payment and lost nearly all of his estate to his creditor, American tobacco king J.B. "Buck" Duke. The Meech Lake estate was then sold to

Arthur Vining Davis Arthur Vining Davis (May 30, 1867 – November 17, 1962) was an American industrialist and philanthropist, for many years president, chairman and largest stockholder of the aluminum producer Alcoa. Early history Arthur Vining Davis was born in ...

who would go on to further Willson's enterprising effort by establishing the Quebec aluminum industry at

Arvida Arvida ( ) is a settlement of 12,000 people (2010)Peritz, Ingrid, "Saguenay 'utopia' dreaming big again", ''The Globe and Mail'', 13 November 2010, p. A31 in Quebec, Canada, that is part of the City of Saguenay. Its name is derived from the name o ...

, the name of the town being a portmanteau of his own name. In 1915, he died of a

heart attack A myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to the coronary artery of the heart, causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may tr ...

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

while trying to raise funds for a

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...

project in

Labrador , nickname = "The Big Land" , etymology = , subdivision_type = Country , subdivision_name = Canada , subdivision_type1 = Province , subdivision_name1 ...

. His dream was finally realized in 1974 as the

Churchill Falls Churchill Falls is a high waterfall on the Churchill River in Labrador, Canada. Formerly counted among the most impressive natural features of Canada, the diversion of the river for the Churchill Falls Generating Station has cut off almo ...

project. His name was given to an island on the Saguenay river, near the Shipshaw powerhouse.

References

*
''Canadiana'' — "The Mystery of Meech Lake"
- an episode of about Willson {{DEFAULTSORT:Willson, Thomas 1860 births 1915 deaths Canadian inventors People from Oxford County, Ontario Persons of National Historic Significance (Canada)