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Jânis Kristapsons graduated from the Faculty of Physics and Mathematics, State University of Latvia (now University of Latvia) (1962) in nuclear physics (supervised by Kurt Schwarz). He defended his Doctoral Thesis in Physics (1971) “Alkaline halide crystal radiation in colloidal colour spectrum”. He did research on materials necessary for the hologram records. In 1976, he published a monograph Optically Reacting Materials (together with K. Schwarz and V. Gottlieb).

proceedings of the latvian academy of sciences. section b, natural sciences/latvijas zinātņu akadēmijas vēstis. a daļa, humanitārās un sociālās zinātnes

Jānis Kristapsons (23 June 1939 – 26 April 2017), Latvian Physicist and Science Organisator