German Democratic Republic (GDR, East Germany)
Deutsche Demokratische Republik (DDR)
1958 Max Planck
20th March 1958
Set issued to mark the centenary of the birth of Max Planck.
Max Karl Ernst Ludwig Planck, (23 April 1858 – 4 October 1947) was a German theoretical physicist whose work on quantum theory won him the Nobel Prize in Physics in 1918.
Planck made many contributions to theoretical physics, but his fame as a physicist rests primarily on his role as an originator of quantum theory, which revolutionized man's understanding of atomic and subatomic processes. However, his name is also known on a broader academic basis, through the renaming in 1948 of the German scientific institution, the Kaiser Wilhelm Society (of which he was twice president), as the Max Planck Society (MPS). The MPS now includes 83 institutions representing a wide range of scientific directions.
Michel Catalogue Number: 626 - 627
Stamp Number DD 383-384
Yvert et Tellier DD 344-345
Stanley Gibbons DD E363-E364
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1958, 23. April. 100. Geburtstag von Max Planck. (1858 bis 1947), Physiker, Nobelpreis 1918. „h“ (Symbol für das physikalische Wirkungsquantum), Namenszug
