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Valentine Gorillas Mate in the Wild
In time for Valentine's Day, scientists from the Wildlife Conservation Society and Max Planck Institute for Evolutionary Anthropology have released on February 12, 2008 the first known photographs of gorillas performing face-to-face copulation in the wild. The photographs were part of a study conducted in a forest clearing in Nouabale-Ndoki National Park in the Republic of Congo. The female, nicknamed 'Leah' by researchers, made history in 2005 when she was observed using tools. (UPI Photo/Thomas Breuer/WCS/MPI-EVA)
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Max Karl Ernst Ludwig Planck (April 23, 1858 – October 4, 1947) was a German physicist who is regarded as the founder of the quantum theory, for which he received the Nobel Prize in Physics in 1918.

Planck came from a traditional, intellectual family. His paternal great-grandfather and grandfather were both theology professors in Göttingen; his father was a law professor in Kiel and Munich; and his paternal uncle was a judge.

Planck was born in Kiel, Holstein, to Johann Julius Wilhelm Planck and his second wife, Emma Patzig. He was baptised with the name of Karl Ernst Ludwig Marx Planck; of his given names, Marx (a now obsolete variant of Markus or maybe simply an error for Max, which is actually short for Maximilian) was indicated as the primary name. However, by the age of ten he signed with the name Max and used this for the rest of his life.

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Max Planck."