John M.Daly博士-蟾蜍毒素之父 OH HO HO batrachotoxin batrachotoxin A 'Frog Man‘ John William Daly (1933-2008) Golden poison frog,The most toxic of poison dart frog species is Phyllobates terribilis Daly (r)poses with former postdoctorul fellow Kenneth Seamon in 1983,shortly after they discovered that forskolin was a powerful research tool