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  1. PhD programmes. A PhD track consists of original scientific research under the supervision of a professor, which takes on average 4 years. Every year, around 400 PhD candidates defend their dissertation at Leiden University, spread across all the University’s different disciplines.

    • PhD Programma's

      Zo’n 400 promovendi verdedigen elk jaar hun proefschrift aan...

  2. 12 de abr. de 2024 · George Eugene Uhlenbeck was a Dutch American physicist who, with Samuel A. Goudsmit, proposed the concept of electron spin. In 1925, while working on his Ph.D. at the University of Leiden, Neth. (1927), he and Goudsmit put forth their idea of electron spin after ascertaining that electrons rotate.

    • The Editors of Encyclopaedia Britannica
  3. Fields. Physics. Institutions. University of Michigan. Doctoral students. Robert Bacher. Samuel Goudsmit portrait, circa 1940. Samuel Abraham Goudsmit (July 11, 1902 – December 4, 1978) was a Dutch-American physicist famous for jointly proposing the concept of electron spin with George Eugene Uhlenbeck in 1925.

  4. Samuel Goudsmit (1902-1978) was a Dutch-American physicist. In May 1944, Goudsmit became scientific director of the Manhattan Project’s Alsos Mission, a top-secret operation responsible for gathering intelligence on Germany’s atomic program.

  5. In the autumn of 1928, Oppenheimer visited Paul Ehrenfest's institute at the University of Leiden, the Netherlands, where he impressed by giving lectures in Dutch, despite having little experience with the language.

  6. In the last years of his activities at the faculty of medicine at Leiden University, he concentrated on research in image analysis. He was asked to participate in a European project with the aim of automating cancer cell recognition using computer analysis.

  7. Born in Rotterdam in the Netherlands, Dirk Brouwer received his Ph.D. in 1927 under Willem de Sitter at the University of Leiden and then joined the faculty at Yale University, where he worked in celestial mechanics with Ernest W. Brown.