Technically speaking, it is the Bureau of Engraving and Printing from the Department of the Treasury creates the one executing the order of creating the physica

Technically speaking, it is the Bureau of Engraving and Printing from the Department of the Treasury creates the one executing the order of creating the physical currency. The Fed helps determining the money supply and distributing the resulting money (please correct me if I am wrong here). However that's just the physical money. In practice, because of fractional reserve banking, banks create money by being allowed to loan more money than they have in their vaults.