Preston Delano was a United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Comptroller of the Currency from 1938 to 1953.

Preston Delano held office for 14 years, the longest term of any Comptroller. Delano was a businessman, investment counselor, and served as governor of the Home Loan Bank Board when appointed Comptroller by President Franklin D. Roosevelt

Franklin D. Roosevelt

Franklin Delano Roosevelt , also known by his initials, FDR, was the 32nd President of the United States and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic crisis and world war...

.

He was responsible for preserving and stabilizing the national banks during the Second World War, which vastly increased the volume of money needed for war expenditures, subsequently causing government debt to rise substantially. Delano entered retirement after his resignation.