Peter H. Raven
![Peter Raven, after receiving the [[Addison Emery Verrill Medal]]](https://upload.wikimedia.org/wikipedia/commons/a/ad/Peter_Raven_smiling%2C_October_16%2C_2007.jpg)
Peter Hamilton Raven (born June 13, 1936) is an American botanist and environmentalist, notable as the longtime director, now President Emeritus, of the Missouri Botanical Garden.
Provided by Wikipedia
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