Max Karl Ernst Ludwig Planck, FRS 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 human 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, as the Max Planck Society. The MPS now includes 83 institutions representing a wide range of scientific directions.

https://en.wikipedia.org/wiki/Max_Planck