David Klein is a

professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...

of Mathematics at California State University in Northridge. He is an advocate of increasingly rigorous treatment of mathematics in school curricula and a frequently cited opponent of reforms based on the

NCTM standards ''Principles and Standards for School Mathematics'' (''PSSM'') are guidelines produced by the National Council of Teachers of Mathematics (NCTM) in 2000, setting forth recommendations for mathematics educators. They form a national vision for pre ...

. One of the participants in the founding of Mathematically Correct, Klein appears regularly in the

Math Wars Math wars is the debate over modern mathematics education, textbooks and curricula in the United States that was triggered by the publication in 1989 of the ''Curriculum and Evaluation Standards for School Mathematics'' by the National Council of ...

. Klein, who is a member of the U.S. Campaign for the Academic and Cultural Boycott of Israel, supports the

BDS movement Boycott, Divestment and Sanctions (BDS) is a Palestinian-led movement promoting boycotts, divestments, and economic sanctions against Israel. Its objective is to pressure Israel to meet what the BDS movement describes as Israel's obligations u ...

which seeks to impose comprehensive boycotts against Israel until it meets its obligations under

international law International law (also known as public international law and the law of nations) is the set of rules, norms, and standards generally recognized as binding between states. It establishes normative guidelines and a common conceptual framework for ...

. Klein hosts a webpage supportive of the BDS movement on his university website and, starting in 2011, it became the target of numerous complaints from the pro-Israel groups AMCHA Initiative,

Shurat HaDin Shurat HaDin (aka. Israel Law Center (ILC)) is an Israeli non-governmental organization (NGO) founded in Tel Aviv in 2003. Shurat HaDin has been described by some as a civil rights organization and others as a pro-Israel lawfare-wagi ...

, and the Global Frontier Justice Center who claimed that it constituted a misuse of state resources. The complaints were dismissed both by the university's staff and by legal authorities as baseless. Concordant with his support for the BDS movement, Klein defended

University of Michigan , mottoeng = "Arts, Knowledge, Truth" , former_names = Catholepistemiad, or University of Michigania (1817–1821) , budget = $10.3 billion (2021) , endowment = $17 billion (2021)As o ...

associate professor John Cheney-Lippold's decision to decline to write a letter of recommendation to a student who planned to study in Israel. Klein is the director of CSUNs Climate Science Program.

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External links

Open Letter to Governor Schwarzenegger and Members of the California Legislature in support of California's Standards System for K-12 Education

by David Klein and Jennifer Marple, ''Los Angeles Times'', September 26, 2005 Living people Traditional mathematics Mathematics educators 20th-century American mathematicians 21st-century American mathematicians 1953 births {{US-mathematician-stub