Johannes Jacobus Poortman (April 26, 1896 in Rotterdam – December 21, 1970 in The Hague), studied philosophy and psychology at Groningen University under Professor Gerardus Heymans. In 1919 he received his Master of Arts; many years later he would also earn a Ph.D. He was also a theosophist.
Born |
26 April 1896
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Died |
21 December 1970 (aged 74)
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Zodiac | Taurus |
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