ArticleslgStudy

mathematics

Helen Infeld

Helen Infeld is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Helen Infeld rather than just read about it. In short: Helen Infeld (20 July 1907 – 6 July 1993) was a mathematics professor and one of the few women to earn a doctorate in mathematics in the United States before World War II. For her anti-fascist political views, which were viewed as pro-communist, she was forced to leave Canada with her family and move to Poland to escape the consequences of McCarthyism in North America.

Helen Infeld — main illustration
Helen Infeld — illustration

Key takeaways

  • Helen Infeld belongs to mathematics; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Helen Infeld to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Helen Infeld from memory before moving on to harder problems.

Reference excerpt

Helen Infeld (20 July 1907 – 6 July 1993) was a mathematics professor and one of the few women to earn a doctorate in mathematics in the United States before World War II. For her anti-fascist political views, which were viewed as pro-communist, she was forced to leave Canada with her family and move to Poland to escape the consequences of McCarthyism in North America.

Biography Helen Mary Schlauch was born July 20, 1907, in The Bronx, in New York City, and was the third child of Margaret Brosnahan and William Storb Schlauch. Her older sister Margaret Schlauch studied the classics and, like Helen, eventually became a university professor.

Education Helen Schlauch attended high school in Hasbrouck Heights, New Jersey, and graduated in 1924. In New York City, she enrolled at Washington Square College of New York University completing her studies in 1928 with a mathematics major and English and psychology minors. At the college, she was president of the Pan Hellenic Council her junior year. Schlauch received her master's degree in 1929 at Cornell University in Ithaca, New York, supervised by Walter Buckingham Carver. Her thesis was titled: Mixed systems of linear equations and inequalities. While she worked as a faculty member at Hunter College, she began her doctoral studies at Cornell University. Her 1933 PhD dissertation, written under Virgil Snyder's supervision, concerned algebraic geometry titled, On the Normal Rational N-Ic. In May 1932, Helen married Leonard Palmer Adams, a doctoral student at Cornell. She had briefly changed her name to Helen Schlauch Adams when she applied for the Cornell PhD program. Helen and Leonard divorced in 1936 and had no children.

Second marriage

She was on the faculty of Hunter College from 1931 to 1941. During a 1938 meeting of the American Mathematical Society (AMS), she met Professor Leopold Infeld, a Polish-born theoretical physicist, who had taught for eight years in Jewish secondary schools in Poland after receiving his PhD in 1921 from the University of Krakow. According to Green, "When [Leopold] met Helen Adams he had just published The Evolution of Physics with Albert Einstein and was about to go to Canada to teach at the University of Toronto on the applied mathematics faculty." Leopold moved alone to Toronto but from 1938 to 1939, he regularly visited New York to see Helen. The pair were married in New Jersey on April 12, 1939, and they went on to have two children, both born in Toronto, Eric (sometimes spelled Eryk) and Joan. Helen Infeld held several positions at the University of Toronto. After the end of World War II, the university established the Ajax campus by using a massive decommissioned munitions plant to accommodate Canada's veterans returning from the War. Helen taught Calculus there for 3+1⁄2 years but when the campus closed in 1949, she became unemployed. After World War II and the attack on Hiroshima, Helen's husband, Leopold, protested against the armament race (echoing the beliefs of his collaborator, Albert Eistein, who was a "convinced pacifist"). His rhetoric caused some people to suggest that Leopold and Helen were Soviet spies. Published attacks against the couple caused them to become concerned for their family's safety so they decided to leave Canada.

Emigration In 1950, the family departed Toronto for Warsaw, Poland, which was Leopold's birthplace but for Helen, this was her first trip overseas. In 1951, Helen's sister, Margaret Schlauch, who was a faculty member at New York University, left the United States to join the Infeld family in Poland, "saying she wished to avoid persecution for pro-Communist views." Margaret became a linguistics professor at Warsaw University and headed the English department. In 1958, the Canadian government canceled the citizenship of the Infeld's children when they were 15 and 18. Years later, the hostilities between the Infelds and the University of Toronto cooled and, according to a 1971 obituary, they received "assurance from the Secretary of State that citizenship would be restored to Eric and Joan should they wish to take up residence in Canada." Until 1982, Helen Infeld served as editor of Poland (A Monthly), the English-language version of a periodical devoted to cultural events in Poland. She died in Warsaw on July 6, 1993, at 85 and was buried in Powazki municipal cemetery.

Selected honors Gold Cross of Merit (1954) The Chevalier Cross, Order of Polonia Restituta (1970)

Memberships According to Green, Helen Infeld was active in several organizations.

American Mathematical Society, (AMS) Mathematical Association of America, (MMA) Phi Beta Kappa Pi Mu Epsilon Polish-Icelandic Society

References

Worked examples

Example 1 — a first encounter with Helen Infeld

Start with the simplest possible case. Write down what Helen Infeld claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Helen Infeld before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Helen Infeld ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Helen Infeld

In research
Helen Infeld appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Helen Infeld in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Helen Infeld is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1907 births, 1993 deaths, 20th-century American mathematicians, so understanding it makes those chapters shorter.
In everyday life
Look for Helen Infeld outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Helen Infeld in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Helen Infeld means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Helen Infeld out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Helen Infeld in simple terms?

Helen Infeld (20 July 1907 – 6 July 1993) was a mathematics professor and one of the few women to earn a doctorate in mathematics in the United States before World War II. For her anti-fascist political views, which were viewed as pro-communist, she was forced to leave Canada with her family and mo…

Why does Helen Infeld matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Helen Infeld?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Helen Infeld.

Tags

  • 1907 births
  • 1993 deaths
  • 20th-century American mathematicians
  • 20th-century American women mathematicians
  • Academic staff of the University of Toronto Faculty of Arts and Science
  • American emigrants to Poland
  • American mathematicians
  • Cornell University alumni
  • Hunter College faculty
  • Mathematicians of the University of Toronto
  • McCarthyism
  • New York University alumni

Keep exploring