![Peter Raven Image source: Missouri Botanical Garden Peter Raven Image source: Missouri Botanical Garden](http://www.timeone.ca/wp-content/uploads/2012/06/Peter-Raven.jpg)
Image source:
Missouri Botanical Garden
Peter Raven is an American botanist who was President of the American Association for the Advancement of Science and is a member of the Pontifical Academy of Sciences.
Image source:
Missouri Botanical Garden
Peter Raven is an American botanist who was President of the American Association for the Advancement of Science and is a member of the Pontifical Academy of Sciences.