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Hendrik Lenstra Hendrik Willem Lenstra Jr.(born 16 April 1949, Zaandam) is a Dutch mathematician. =======Image-Copyright-Info======== License: Creative Commons Attribution-Share Alike 3.0 (CC-BY-SA-3.0) LicenseLink: http://creativecommons.org/licenses/by-sa/3.0/ Author-Info: George M. Bergman, Berkeley Image Source: https://en.wikipedia.org/wiki/File:Hendrik_Lenstra_MFO.jpg =======Image-Copyright-Info======== -Video is targeted to blind users Attribution: Article text available under CC-BY-SA image source in video https://www.youtube.com/watch?v=rhNNz-QbFKQ