Grade by Grade
C. Canada, 1929–1945 · Canada, 1929–1945: Depression, Extremism and the Second World War

Science, Technology, Culture and Identity, 1929–1945

C1.2 C1.1 C3.1 A1.4 A2.4About 70 minutes
Learning goals
  • I can identify major developments in science and technology from 1929 to 1945 and assess their significance.
  • I can describe how American popular culture influenced Canada, and how Canadians responded.
  • I can explain the contributions of individuals and groups, including women and Black Canadians, to Canadian identity in this period.
  • I can connect historical developments to careers in science, history and culture.

Words to know

innovation
A new idea, method or invention that solves a problem.
soil drift
The blowing away of topsoil by wind, as in the Dust Bowl.
shelterbelt
A row of trees planted to slow the wind and protect soil and crops.
popular culture
Entertainment and media enjoyed by large numbers of people: movies, radio, music, sports, magazines.
cultural nationalism
Efforts to protect and promote a country's own culture, often against outside influence.
Persons Case
The 1929 decision of the Judicial Committee of the Privy Council that women are "persons" under the BNA Act and can be appointed to the Senate.
contralto
The lowest female singing voice.

Hook: breakfast science

In the early 1930s, three doctors at Toronto's Hospital for Sick Children (Alan Brown, Theodore Drake and Frederick Tisdall) developed Pablum, a precooked, vitamin-rich cereal for babies. It was easy to prepare at a time when many children suffered from poor nutrition. Royalties from Pablum helped pay for medical research at the hospital for years. Even in the Depression, Canadians were inventing things that changed everyday life.

Science and technology meet real needs (C1.2)

Agriculture. The Dust Bowl pushed scientists and farmers to find new methods. The Prairie Farm Rehabilitation Administration (PFRA, 1935) helped farmers build dugouts (ponds to store water), plant shelterbelts of trees and use strip farming. Alberta farmer Charles Noble invented the Noble blade (1930s), a cultivator that cut weeds below the surface without turning over the soil, which helped stop soil drift.

Medicine. Dr. Wilder Penfield founded the Montreal Neurological Institute in 1934, which became world-famous for brain surgery and research on epilepsy. Dr. Norman Bethune of Montreal organized a mobile blood transfusion service in the Spanish Civil War. In 1940, the Canadian Red Cross began a national blood donor service for the war.

Mining. The Eldorado mine at Port Radium (Lesson 10) produced radium, used in cancer treatment, and later uranium for the Manhattan Project. When the price of gold rose in the 1930s, gold mining in northern Ontario and Quebec boomed, one of the few bright spots of the Depression.

Military technology. Dr. Wilbur Franks of Toronto invented the Franks Flying Suit, a water-filled suit that helped pilots stay conscious during high-speed turns, the first anti-gravity suit used in combat. Canadian factories built aircraft such as the Hurricane and Lancaster, and the National Research Council worked on radar. Donald Hings developed a portable two-way radio that was widely used in the war; he is often credited with inventing the walkie-talkie.

Transport. In Quebec, Joseph-Armand Bombardier built the B7 (1937), a tracked snow vehicle that could carry passengers over snowy roads, an ancestor of the snowmobile. Bush planes connected northern communities and mines.

Canadian science and technology, 1929 to 1945Innovationdriven by needMedicinePablum (1930s); MontrealNeurological Institute(1934); mobile bloodtransfusion (Bethune)AgriculturePFRA dugouts andshelterbelts; Noble bladecultivator against soildriftMiningradium and uranium at PortRadium; gold mining boomMilitaryFranks anti-gravity flyingsuit; aircraft production;radar researchTransportBombardier's B7 snowvehicle (1937); bushplanes in the NorthCommunicationradio networks (CBC 1936);portable two-way radios
Most of these innovations answered a specific need: drought, illness, war or winter. That is a common pattern in the history of technology.

American influence and Canadian identity (C1.1)

By the 1930s, Canadians watched mostly Hollywood movies, listened to many American radio programs and read American magazines. Some Canadians worried that Canada's culture would disappear. This cultural nationalism helped lead to:

  • the CBC (1936) and its French-language service, Radio-Canada, which broadcast Canadian news, music and drama across the country;
  • the National Film Board (1939), which made documentaries and wartime films about Canada;
  • hockey on the radio: from Toronto's Maple Leaf Gardens (opened 1931), Foster Hewitt's play-by-play, with his famous call "He shoots, he scores!", reached homes from coast to coast.

People who shaped identity (C3.1)

  • Women and rights: in the Persons Case (October 1929), Britain's Judicial Committee of the Privy Council ruled that women are "persons" and can sit in the Senate. In 1930 Cairine Wilson became Canada's first woman senator. In 1940, women in Quebec won the provincial vote after a long campaign led by Thérèse Casgrain and others.
  • The Edmonton Grads: a women's basketball team from an Edmonton high school that, from 1915 to 1940, won 502 official games and lost only 20, and was famous around the world.
  • Black Canadians: sprinter Ray Lewis of Hamilton won a bronze medal in the 4 × 400 m relay at the 1932 Olympics, the first Canadian-born Black athlete to win an Olympic medal for Canada, who also worked as a railway sleeping-car porter. Nova Scotia singer Portia White, a contralto, made her celebrated Toronto debut in 1941 and went on to an international career.
  • The Dionne quintuplets, born near Callander, Ontario, in 1934, became world-famous. The Ontario government took them from their parents and displayed them to tourists; decades later, in 1998, the province paid them compensation.
  • Artists such as Emily Carr painted the forests and Indigenous villages of British Columbia, and writers and musicians built a Canadian arts scene.
The Edmonton Grads, 1915 to 1940: official games0100200300400500502Wins20LossesSource: The Canadian Encyclopedia. Winning percentage: about 96%.
The Grads won about 96% of their official games over 25 years, an achievement few teams in any sport have matched.
Identity and culture, 1929 to 19451929Persons Case: women are"persons"1931Maple Leaf Gardens opens;hockey on radio1932Ray Lewis wins Olympicbronze1936CBC and Radio-Canadacreated1940Edmonton Grads disband;Quebec women win provincialvote1941Portia White's Torontodebut
Identity was shaped by rights (the Persons Case, the Quebec vote), sport and national media. (Events evenly spaced, not to scale.)
Just for fun

Joseph-Armand Bombardier's early snow vehicles were built because snowy country roads in rural Quebec were often not ploughed in winter. In other words, one of Canada's most famous inventions exists because of a snowbank. Necessity is the mother of invention; winter is apparently the grandmother.

Careers connected to this lesson (A2.4)

History skills (researching, judging sources, explaining significance) are used in many careers: archivist (Library and Archives Canada holds NFB films and Persons Case documents), museum curator (for example at Ingenium, which collects Canadian inventions), science writer, broadcaster, sports historian and heritage planner. Scientists and engineers also need history: knowing why past technologies succeeded or failed helps design better ones.

Worked example

Let's assess the significance of an innovation

Which was more significant for Canadians in the 1930s: the Noble blade or the CBC? Use criteria.

  1. Criteria: how many people it affected; how deeply; how long the effects lasted; what it reveals about the period.
  2. Noble blade: helped farmers on the dry Prairies stop soil drift; affected a smaller group but deeply (their livelihoods); its idea of conservation tillage is still used.
  3. CBC: reached millions of homes in English and French; shaped a national identity and response to American culture; still exists today.
  4. What each reveals: the Noble blade shows farmers adapting to environmental disaster; the CBC shows the government building a national culture.
  5. Judgement: the CBC affected more people across the country, so by the criterion of breadth it was more significant; for Prairie farmers, the Noble blade was more significant to them.

By breadth and duration, the CBC was more significant nationally; by depth for a specific group, the Noble blade mattered more to Prairie farmers. Significance depends on the criteria and for whom.

Hands-on activity

Invent for a 1930s problem

You need: paper, pencil, and household materials for a model if you like (cardboard, tape, string). Ask an adult before using scissors or a craft knife.

  1. Choose a 1930s problem from this lesson: soil blowing away, unploughed winter roads, no money for gasoline, babies' nutrition, or communicating across a huge country.
  2. Design a solution using only technology available in the 1930s (no electronics smaller than a radio, no plastics as we know them).
  3. Sketch or build a simple model and label how it works.
  4. Write two sentences comparing your idea with a real 1930s solution from the lesson.

What to look for: a clear problem, a solution that fits 1930s technology, and a thoughtful comparison (for example, a windbreak fence compared with PFRA shelterbelts).

Your turn

1

Who developed Pablum, and why was it important?

2

How did the PFRA help Prairie farmers?

3

What did Wilbur Franks invent?

4

Why was the CBC created, in part?

5

What was the Persons Case?

6

Who were the Edmonton Grads, and what was their record?

7

Name two Black Canadians who made notable contributions in this period.

More practice: warm-up

1

What year did the Montreal Neurological Institute open?

2

What did Joseph-Armand Bombardier build in 1937?

3

Who was Canada's first woman senator?

4

Whose radio call was "He shoots, he scores!"?

5

When did Quebec women win the provincial vote?

More practice: on your own

1

Why did gold mining boom during the Depression?

2

How did American popular culture affect Canada in the 1930s, and how did Canadians respond?

3

Explain what the Dionne quintuplets' story reveals about the 1930s.

4

Why is the Persons Case significant for Canadian identity and citizenship?

5

Give an example of technology developed for war that had peaceful uses later.

Challenge

1

"The Depression and the war were good for Canadian science." Evaluate this claim.

2

How did women's contributions in sport, politics and science in this period challenge ideas about women's roles? Use three examples.

3

Choose one person from this lesson and argue that they deserve to be better known. Use criteria of significance.

Check your understanding

Quiz

1.

What was the Franks Flying Suit?

2.

What did the PFRA (1935) do?

3.

Why was the CBC created, in part?

4.

What did the Persons Case (1929) decide?

5.

What was the Edmonton Grads' official record?

6.

Who won an Olympic bronze medal for Canada in 1932 as part of the 4 × 400 m relay?

For parents and teachers

Big idea: This lesson covers developments in science and technology (medicine, agriculture, mining, military technology) and their significance (C1.2), social change and American cultural influence (C1.1), and the contributions of individuals and groups, including women and Black Canadians, to identity (C3.1). It practises judging significance (A1.4, A1.5) and links to careers (A2.4).

Common difficulties:

  • Listing inventions without significance. Push for "significant for whom, and why?"
  • Dates for the Persons Case (1929) and women's votes: federal (1918) vs Quebec provincial (1940).

How to help: Visit Ingenium (Canada's science and technology museums) online, or watch an archived NFB film from the 1930s or 1940s together on nfb.ca and discuss its purpose and audience.