(A) jason
(B) ** john
(C) tom
(D) george
EXPLANATIONS BELOW
Concept note-1: -A professor at the Massachusetts Institute of Technology from 1936 to 1973, he was a recipient of the National Medal of Science and a member of the National Academy of Engineering. Trump was noted for developing rotational radiation therapy.
Concept note-2: -The majority of people with the surname live in the United States (close to 5, 000 individuals, approximately 900 of whom live in Pennsylvania); the surname does survive in both Germany and England, but is comparatively rare (fewer than 500 individuals in each country).