Peter Raven, A Remembrance: A Founding Friend of the Danforth Center and a Champion for Plant Science and our Planet
Dr. Peter H. Raven, president emeritus of the Missouri Botanical Garden and one of the great botanical minds of the 20th century, died on April 25, 2026. He was 89. For the Danforth Center community, his passing carries particular weight: Peter Raven helped make this institution possible.
An Audience of Two
The story begins on the evening of February 5, 1997, at the Four Seasons Hotel in Irvine, California. Dr. Raven was there in his capacity as Home Secretary of the National Academy of Sciences, chairing the Academy's Report Review Committee. He had recruited both Dr. William H. Danforth, the current chancellor of Washington University, and Dr. Virginia Weldon, Monsanto's senior vice president for public policy, to serve on the committee, and the three had spent a full day in meetings. They were walking down the hall toward the elevators when Dr. Danforth said, simply, “Step over here into this bar.”
As Dr. Raven recalled in a 2023 interview on the occasion of the Danforth Center’s 25th anniversary: "Nobody had ever heard Bill do anything like that in his life. So we were sure there must be something really unusual going on."
There was. The previous summer, on safari in East Africa, Dr. Danforth had spent his evenings at a typewriter, quietly sketching the outline for a plant science center in St. Louis.
He had watched the city's scientific community lose a rising star—plant scientist Dr. Roger Beachy, who had just departed Washington University for Scripps Research Institute—and he wanted to build something large enough, strong enough, and independent enough to keep world-class science rooted in St. Louis.
That night in Irvine, Bill asked two people whether Monsanto and the Missouri Botanical Garden would join Washington University as founding partners. Dr. Weldon and Dr. Raven said yes.
The late Dr. Weldon later recalled her reaction with characteristic wit: "Here I am surrounded by Peter Raven and Bill Danforth, and of course I think it's a good idea!"
The vision, sketched on a literal bar napkin (that, to history's loss, was not kept) had found its first champions.
The Danforth Center will stand as a globally important institution contributing fundamentally to our ability to feed ourselves better, more amply, and what's most important of all, more sustainably for the future.
Dr. Peter H. Raven, July 31, 1998
From Vision to Reality
What followed was years of work, and Peter Raven was at the center of much of it alongside Bill Danforth. Peter made the formal presentation to the Danforth family foundation board (Bill was recused), seeking the gift to start the center. He worked alongside colleagues to secure state stimulus funds and the land from Monsanto—a critical piece, as he noted, given the value of the property on the north side of Olive Boulevard at Warson. He helped broker the University of Missouri's early involvement.
And it was Peter Raven who came up with the idea of naming the new center after the Danforth family.
"I realized that would be a way to signal what we wanted this to be," he explained. "We didn't want it to sound commercial. We didn't want it to be a property of one university or one place. We wanted it to be really independent. And the Danforth family, which had given so very much to St. Louis, deserved to be commemorated in that way."
On July 31, 1998, at the Missouri Botanical Garden, the Danforth Center made its public debut. In a full-circle moment, in 1999, Dr. Roger Beachy returned to St. Louis to lead it. When the building was dedicated on November 5, 2002, with former President Jimmy Carter in attendance, the dream Bill Danforth had pitched to Peter Raven, and which they had both worked so hard on, had become reality.
A Network Builder Like No Other
Dr. Raven's influence on the Danforth Center community runs deeper than institutional history. It runs through the people.
Dr. Elizabeth Kellogg, Robert E. King Distinguished Investigator at the Danforth Center and member of the National Academy of Sciences, first encountered Peter Raven the way many scientists did: through his papers. His landmark 1964 paper with Paul Ehrlich on coevolution continues to be cited more than half a century later, and his plant biology textbook remains a standard in the field. But her connection to him became personal when he served on the committee that hired her to fill the Des Lee Professorship in Botanical Studies at UMSL, a position designed to strengthen collaboration between the university and the Missouri Botanical Garden. The Des Lee professorship ultimately supported graduate students from 25 countries, drawn to St. Louis in part by the resources Raven had built.
“I will remember most gratefully his gift for human connection," Dr. Kellogg said. "That gift benefited all of us who knew him and extended to the many more people who were helped indirectly by his actions and ideas.”
Dr. Allison Miller, Danforth Center member and professor at Saint Louis University, knew Peter Raven in a different way, as a thesis advisor. “Peter was a brilliant, passionate, dedicated leader and force for good," said Dr. Miller. "He has a list of scientific contributions, publications, awards, honorary degrees and accolades that defies belief. Perhaps most importantly, Peter mentored many scientists and students with great patience and spirit of accepting, always believing that everyone had a role to play in bettering the world. He helped so many, including me, to understand how best to harness our abilities to understand plants and to apply this knowledge for the benefit of humanity.”
Dr. Peter Raven, president emeritus of the Missouri Botanical Garden, and Dr. Virginia Weldon, formerly of Monsanto, during an oral history interview in honor of the Danforth Center's 25th anniversary in 2023.
A Lasting Connection
In the years that followed, Dr. Raven remained a committed presence in the Danforth Center community, including through his service on the Board of Trustees. In 2004, in recognition of what he had done for our region and for plant science worldwide, he was awarded the Danforth Award for Plant Science, among a lifetime of honors that included the National Medal of Science, a MacArthur Fellowship, and China's National Friendship Medal.
Peter Raven never stopped believing in what plant science could mean for the world. In that same 2023 interview, he reflected: "In a world where we have nearly one billion people going to bed hungry each night, plant science is the key to feeding them. And the Danforth Center will be one of the great keys to doing that."
"The world has lost one of its great scientific visionaries,” said Dr. Giles Oldroyd, Danforth Center president. “Peter Raven spent a lifetime making the case that understanding plants is inseparable from sustaining life on Earth. The Danforth Center is proud to count him among our founding champions."
The Danforth Center is grateful for Dr. Peter Raven’s vision, for his labor on our behalf, for the students and scientists whose paths crossed his and who now carry his influence into the next generation of plant science. We are grateful for the thousands of connections he made, the emails he returned at all hours, the people he brought together who might never have found each other without him. And we are grateful that in 1997, in a hotel bar in Irvine, California, he said yes.
Learn more about Dr. Bill Danforth, the Danforth Center's founding chairman: click here.