Who is the father of enzymology?

Q. Who is the father of enzymology?
A. Anton von Leeuwenhoek
B. Edward Howell
C. JB Sumner
D. John Northrop
Answer: Edward Howell

A. Anton von Leeuwenhoek
B. Edward Howell
C. JB Sumner
D. John Northrop
Answer: Edward Howell