Anneli Cahn Lax
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Anneli Cahn Lax
Anneli Cahn Lax
Born(1922-02-23)February 23, 1922
DiedSeptember 24, 1999(1999-09-24) (aged 77)
Alma mater
Scientific career
FieldsMathematics
InstitutionsNew York University
ThesisOn Cauchy's Problem for Partial Differential Equations with Multiple Characteristics (1956)
Doctoral advisorRichard Courant
Doctoral studentsElena Marchisotto

Anneli Cahn Lax (23 February 1922, Katowice - 24 September 1999, New York City) was an American mathematician, who was known for being an editor of the Mathematics Association of America's New Mathematical Library Series, and for her work in reforming mathematics education with the inclusion of language skills. Anneli Lax received a bachelor's degree in 1942 from Adelphi University and her doctorate in 1956. She was a professor of mathematics at New York University's Courant Institute. She was married to the mathematician, Peter Lax.

Biography

Work Life

In 1942, she earned a bachelor's degree in mathematics at Adelphi University in Long Island. In 1956, she earned a PhD from New York University with the dissertation Cauchy's Problem for a Partial Differential Equation with Real Multiple Characteristics with thesis adviser Richard Courant.[1][2]

She became a mathematics professor at NYU and was the editor of the Mathematics Association of America's New Mathematical Library Series.[3][4]

In 1961, the series started, with 36 published volumes by 1995. It was planned, by Professor Lax and others, to make mathematics accessible to the average reader while still being technically accurate. The first two books were, Numbers: Rational and Irrational by Ivan Niven and What Is Calculus About? by W. W. Sawyer.[5]

In 1977, she won the George Pólya Award for her article: Linear Algebra, A Potent Tool, Vol. 7 (1976), 3-15.[3]

In 1980, the mathematics department of New York University assigned Lax to design a remedial course in mathematics for freshmen. The course she devised and called "Mathematical Thinking" presented mathematics not as a body of facts but as a set of problems to be analyzed and resolved.[5]

"There is a misconception among people and schoolchildren about the nature of mathematics," she said, in a 1979 interview. "They consider it a matter of rules and regulations instead of thinking." The pressure, she said, was for pupils to come up with the right answer quickly, without time to analyze.[5]

She teamed up with John Devine, working with teachers in inner-city New York schools. Together they got funding from the Ford Foundation to train teachers from these schools in the methods Lax had pioneered at New York University.[6]

Though she was involved with reforming mathematics education for high school and college students in New York, she didn't like panel discussions at conferences. Especially when she was meant to reply immediately to preceding remarks by fellow panelists. Anneli said she was a slow listener and reader. She believed her responses were "not ready for public consumption when my turn comes."[7]

An insert from her writing at the Mathematics as a Humanistic Discipline Session stated: "I am convinced that the use of language- reading, writing, listening and speaking is essential part of learning anything, and especially mathematics." [7]

Anneli knew from her experience as teacher, that students learn new material easily when they are able to connect to their past experiences or the outside world. She looked at the mandated syllabi from 6th-8th grade New York middle schools for "integrated math sequences" and she found that because so many topics covered, there was little time for students to connect mathematics outside of the classroom before they were tested.[7]

A keystone in Lax's work of reforming education was the emphasis on listening. She taught pre-calculus classes by asking her students to explain the meaning behind exponential functions orally and written accounts of how they solved the problem. She believed listening to the students' ideas would improve students' performance and attitude about mathematics.[8]

She was a member of the New York Academy of Sciences.[8]

In 1993, one of the last projects Anneli worked on with her husband, was the Parent's Guide. Parent's Guide constructed a basic mathematics list for adults to use to help their children with their schoolwork.[8]

In 1995, the Mathematical Association of America awarded Lax its highest recognition, the Gung-Hu Award for Distinguished Service, for her contributions to mathematical publishing and education in a broad sense.[9]

In 1998, she was diagnosed with pancreatic cancer. Anneli Cahn died on September 24, 1999, at the age of 77.[5]

Family Life

In 1948, Anneli Cahn married her second husband, the mathematician Peter Lax. Anneli Cahn had two sons, John Lax and James Lax.[5] The John Lax Memorial Lecture was created in 1982 by Anneli and Peter, in memory of their son, who taught at Mount Holyoke but died at the age of 27.[10] The Lax Lecture is given by a historian of the highest distinction to commemorate the work and spirit of John Lax by making the latest advances in history accessible to the public.[11]Elena Marchisotto, a family friend, and thesis student, said Anneli spent her last summer in the Adirondacks with Peter and family.[12]

References

  1. ^ Anneli Cahn Lax at the Mathematics Genealogy Project
  2. ^ Saul, Mark (August 2000). "Anneli Cahn Lax (1922-1999)" (PDF). Notices of the AMS. 47 (7): 766-769. Retrieved 2012.
  3. ^ a b Anneli Cahn Lax at MacTutor History of Mathematics archive
  4. ^ Lax, Anneli. "NML transition from Random House to MAA". Archives of American Mathematics Spotlight: The New Mathematical Library Records, Mathematical Association of America, Archives of American Mathematics Spotlight (Memo).
  5. ^ a b c d e Pace, Eric (September 29, 1999). "Obituary: Anneli Lax, 77, a Leader in the Publishing of Mathematics". The New York Times. Retrieved 2012.
  6. ^ Saul, Mark (2000). "Anneli Cahn Lax (1922-1999)". Notices of the American Mathematical Society. 47 (7).
  7. ^ a b c Lax, Anneli (1998). "Excerpts From and Inserts Into My January 23 Talk at the Mathematics as a Humanistic Discipline Session". Humanistic Mathematics Network. 1 (2).
  8. ^ a b c Fernández, Eileen (2000). "Remembering Anneli Cahn Lax (1922-1999)". Journal of Mathematical Behavior. 19 (1): 1-7. doi:10.1016/S0732-3123(00)00040-7.
  9. ^ Niven, Ivan (1995), "Yueh-Gin Gung and Dr. Charles Y. Hu Award for Distinguished Service to Anneli Lax.", The American Mathematical Monthly, 102 (2): 99-100, doi:10.1080/00029890.1995.11990543, JSTOR 2975342
  10. ^ "Obituary 6--no Title", New York Times, January 18, 1978, ProQuest 123853316
  11. ^ The John Lax Memorial Lecture, Mount Holyoke
  12. ^ Marchisotto, Elena (1999), "Anneli Lax: In Memoriam", Humanistic Mathematics Network Journal, 1 (21): 1, doi:10.5642/hmnj.199901.21.03

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