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Hans Ris (right) chairs the session where Miguel Mota (left) presented his view of the kinetochore as an “engine” in the International Genetics Symposia held in Japan in 1956. Mota used to fly his own Piper Cub from Lisbon to Porto to use the Electron Microscope. His passion for aeroplanes evidently had a strong influence in the conceptualization of his anaphase hypothesis
