The Road to El Dorado stars Robin Williams.
Kenneth Stafford Norris or Kenneth S. Norris -LRB- August 11 , 1924 -- August 16 , 1998 -RRB- was a renowned marine mammal biologist , conservationist , and naturalist .. marine mammal. marine mammal. biologist. marine biology. Norris did pioneering work on dolphin echolocation .. dolphin. dolphin. echolocation. Animal echolocation. His conservation work included helping establish the University of California Natural Reserve System and work towards passage of the Marine Mammal Protection Act .. University of California Natural Reserve System. University of California Natural Reserve System. Marine Mammal Protection Act. Marine Mammal Protection Act of 1972. Norris was a professor at UCLA and UC Santa Cruz .. UCLA. University of California, Los Angeles. UC Santa Cruz. University of California, Santa Cruz