Symbiosis
Symbiosis (from Greek sun "together" and biosis "living") is close and often long-term interaction between two different biological species. In 1877 Albert Bernhard Frank used the word symbiosis (which previously had been used to depict people living together in community) to describe the mutualistic relationship in lichens. In 1879, the German mycologist Heinrich Anton de Bary defined it as "the living together of unlike organisms."
What nationality was Heinrich Anton de Bary?
German
In 1879, the German mycologist Heinrich Anton de Bary defined it as "the living together of unlike organisms."
Heinrich Anton de Bary