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Ibn-al-Haitham

Ibn-al-Haitham

A commemorative postage stamp on the 1000th Anniversary of Ibn al–Haytham (Alhazen), Father of Optics (965–1039) : Issued by Pakistan Issued on Nov 4, 1969 Issued for : To salute the memory of Abu Ali Al Hasan ibnul Hasan ibn al-Haitham (Alhazen) and the monumental achievements
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Srinivasa Ramanujan 1962
December 22, 1962

Srinivasa Ramanujan 1962

A commemorative postage stamp on the 75th Birth Anniversary of Srinivasa Ramanujan, an Indian mathematician, Fellow of the UK Royal Society, inventor of Ramanujan prime; Ramanujan theta function; partition formulae; mock theta functions : Issued by India Issued on Dec 22, 1962 Issued for : The P & T
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Romanian Scientists

Romanian Scientists

Complete Set of 4 nos of commemorative postage stamps on the Romanian Scientists : Issued by Romania Issued on Apr 11, 1961 Issued for : Some of the Great Scientists of Romania. Picture : 10 b – Peter Poni and Chemical Apparatus, 20 b – A. Saligny and Danube bridge, Cernavoda, 55 b – C. Budeanu and electrical
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