Dallas Lynn Peck
Dallas Lynn Peck ( March 28 , 1929 – August 21 , 2005 ) was an American geologist and vulcanologist . 
<triplet> Dallas Lynn Peck <subj> March 28, 1929 <obj> date of birth <subj> August 21, 2005 <obj> date of death <triplet> vulcanologist <subj> geologist <obj> subclass of