The current design on the obverse first appeared in 1946, soon after the death of President Franklin Delano Roosevelt. Citizens began writing to the Treasury Department requesting his likeness be depicted on a coin. The dime was a good choice because Roosevelt supported the March of Dimes, a program that raised funds for research to find a cure for polio.
Obv. Description :
Roosevelt left-facing, LIBERTY around on the left, IN GOD WE TRUST under his chin, the date and mint mark on the right
Rev. Description :
A torch signifying Liberty, with an olive branch on the left signifying Peace, and an oak branch on the right, signifying Strength and Independence, UNITED STATES OF AMERICA on top, ONE DIME at the bottom