University of Oregon Professor Robert Ribe recently coauthored an article in the prestigious Proceedings of the National Academy of Sciences.

“Landscape Thinking,” a special symposium honoring University of Oregon landscape architecture Professor Emeritus Kenneth Helphand on his retirement from forty years of teaching, will be held Saturday, May 25, from 8:30 a.m. to 6:30 p.m. at the UO Ford Alumni Center, 1720 E.