Saturday, March 18, 10:30am-12:00pm https://arboretum.harvard.edu/events/event-signup/?id=65147 Frederick Law Olmsted, considered the father of landscape architecture, designed some 500 public spaces in North America. The Arnold Arboretum, the only arboretum he designed, is a National Historic Landmark and a model for others around the world. Join Arboretum docent Bill Beizer on a tour through the landscape. Learn about the elements of the  Arboretum that best reflect Olmsted's philosophy and approach to landscape design. Please register here.