Henry Robert Frankel
Henry Robert Frankel ( October 11 , 1944 – November 2 , 2019 ) was an American philosopher and historian of science noted for his historical and philosophical analysis of the continental drift controversy and subsequent discovery of plate tectonics . 
<triplet> Henry Robert Frankel <subj> October 11, 1944 <obj> date of birth <subj> November 2, 2019 <obj> date of death <triplet> continental drift <subj> plate tectonics <obj> facet of