Benjamin DeForest Bayly
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Benjamin deForest "Pat" Bayly (June 20, 1903 – 1994) was a
Canadian Canadians () 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 their being ''C ...
electrical engineer Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...
and a professor at the
University of Toronto The University of Toronto (UToronto or U of T) is a public university, public research university whose main campus is located on the grounds that surround Queen's Park (Toronto), Queen's Park in Toronto, Ontario, Canada. It was founded by ...
. During
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
he invented a cypher machine called the
Rockex Rockex, or Telekrypton, was an offline one-time tape Vernam cipher machine known to have been used by Britain and Canada from 1943. It was developed by Canadian electrical engineer Benjamin deForest Bayly, working during the war for British Se ...
and handled communications at the secret intelligence base
Camp X Camp X was the unofficial name of the secret Special Training School No. 103, a Second World War British paramilitary installation for training covert agents in the methods required for success in clandestine operations. It was located on the n ...
. He later ran an engineering company in
Ajax, Ontario Ajax (; 2021 Canadian census, 2021 population: 126,666) is a waterfront town in Regional Municipality of Durham, Durham Region in Southern Ontario, Canada, located in the eastern part of the Greater Toronto Area. The town is named for , a Royal N ...
, and was the first mayor of that town. A street there is named after him.


Early life and education

Bayly was born in
London, Ontario London is a city in southwestern Ontario, Canada, along the Quebec City–Windsor Corridor. The city had a population of 422,324 according to the 2021 Canadian census. London is at the confluence of the Thames River (Ontario), Thames River and N ...
, son of Benjamin Moore Bayly and Alice Seaborn. He grew up in Moose Jaw, Saskatchewan, where his father worked as a medical health officer.Stafford, David. ''Camp X'', Lester, Orpen & Dennys, Toronto. p. 158-160. He studied electrical engineering at the University of Toronto, and lectured there on radio communications before graduation. He graduated in 1930 with a BA in Science.


Career

After graduation Bayly was hired as an assistant professor in the University of Toronto's Department of Electrical Engineering, lecturing on radio communication, and later became a professor there. During World War II, Bayly was recruited by
William Stephenson Sir William Samuel Stephenson (born William Samuel Clouston Stanger, 23 January 1897 – 31 January 1989) was a Canadian soldier, fighter pilot, businessman and spymaster who served as the senior representative of the British Security Coord ...
's British Security Coordination (BSC) to help with Stephenson's transatlantic communications from New York to Britain. He soon set up the telecommunications centre, code named Hydra, at Canada's secret intelligence installation,
Camp X Camp X was the unofficial name of the secret Special Training School No. 103, a Second World War British paramilitary installation for training covert agents in the methods required for success in clandestine operations. It was located on the n ...
, near Whitby, Ontario. Bayly (often called Pat) was assistant director, with a British army rank of lieutenant colonel. Hydra sent and received Allied radio signals from around the world. Encryption using existing equipment was very slow, so Bayly invented a much faster solution for the purpose, an offline, one-time tape cipher machine labelled the
Rockex Rockex, or Telekrypton, was an offline one-time tape Vernam cipher machine known to have been used by Britain and Canada from 1943. It was developed by Canadian electrical engineer Benjamin deForest Bayly, working during the war for British Se ...
or "Telekrypton". A later version of the machine was used by British consulates and embassies until 1973. The Government of Canada states that Hydra provided "an essential tactical and strategic component of the larger Allied radio network, secret information was transmitted securely to and from Canada, Great Britain, other Commonwealth countries and the United States". The Hydra station was valuable for both coding and decoding information in relative safety from the prying ears of German radio observers and Nazi detection. Hydra also had direct access via land lines to
Ottawa Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...
,
New York City New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
and
Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...
for
telegraph Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas ...
and
telephone A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...
communications. The main transmitter was previously used as that of American AM station
WCAU WCAU (channel 10) is a television station in Philadelphia, Pennsylvania, United States. It is owned and operated by the NBC television network through its NBC Owned Television Stations division alongside Mount Laurel, New Jersey–licensed ...
's shortwave sibling W3XAU, and upon severance of W3XAU in 1941, the transmitter was refurbished and became the transmitter for Hydra at Camp X. Other radio apparatus was purchased discreetly from amateur radio enthusiasts, brought to the building in pieces and assembled on site."Hydra", in Lynn-Philip Hodgson, ''Inside - Camp X'', 2000, pages 77-84. After the war, Bayly returned to work as a professor at the University of Toronto until 1950, when he set up his own company, Bayly Engineering Works, in the newly formed town of Ajax, Ontario. Soon after, Bayly served as the first Mayor of the town. As well as having a street in the town named after him, in 2016 a statue commemorating his life was commissioned by the town." Ajax unveils statue of town’s first mayor Pat Bayly"
''Pickering News Advertiser'', April 10, 2016 By Sean Heeger
Bayly later sold his company and retired in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
. A book about his life, ''Benjamin de Forest (Pat) Bayly the Unknown Canadian'', has been written by Bill Parish. Bayly talks about his work during the war and his relationship with Gordon Welchman and Alan Turing in Bill Macdonald's book ''The True Intrepid''.


References

{{DEFAULTSORT:Bayly, Ben 1903 births University of Toronto alumni People from London, Ontario 20th-century Canadian inventors 1994 deaths