Columbia subject headings:
Chemistry--History--20th century.
Chemists--Biography.
Chemists--Interviews.
Scientists--Interviews.
Harvard subject headings:
Chemistry--History--20th century.
Chemists--Biography
Chemists--Interviews.
Scientists--Interviews
Princeton subject headings:
Chemistry--History--20th century.
Chemists--Biography.
Chemists--Interviews.
Interviews.
Scientists--Interviews.