Boris Kayser

| death_date = | citizenship = United States | education = | thesis_title = Dynamical Model of the Σ | thesis_url = https://thesis.library.caltech.edu/3704/1/Kayser_b_1964.pdf | thesis_year = 1964 | doctoral_advisor = Fredrik Zachariasen | workplaces = | partner = Susan Kayser }}

Boris Jules Kayser (June 2, 1938 – April 14, 2024) was an American theoretical physicist. He specialized in the study of neutrinos. He worked at the National Science Foundation for nearly thirty years before joining the US government research facility Fermilab. He retired from Fermilab in 2012. For five years, he was the editor of the peer-reviewed journal the ''Annual Review of Nuclear and Particle Science''. Provided by Wikipedia