richerson died at 45 or something. >> i don't think he ever found a partner who you work with as wellas fox and integrated designs and also thought as much about -- box brought to the table prospect park. it was originally supposed to be two separate pieces of land, with a bridge between them. boxes when he said it's not only think think about the landscape, or provide landscape. i think olmstead had these kind of division of labor partnerships. he got along with them well, but he was going to design structures and think about landscape. some of these folks had such massive egos that he was going to design a bridge that looked however he felt the breach of book. olmstead designed and there weren't that many bridges to design. >> yes, i think a lot of interesting other topics came out. the chicago world fair to me was amazing because he was this guy who is now in his 80s? >> would've been a 70s. >> late 70s, yeah.