Generally, open source refers to a computer program in which the source code is available to the general public for use or modification from its original design. Open-source code is meant to be a collaborative effort, where programmers improve upon the source code and share the changes within the community.
African Americans on U.S. Currency. It is a little known fact that five African Americans have had their signatures on currency. The four African American men whose signatures appeared on the currency were Blanche K. Bruce, Judson W. Lyons, William T. Vernon and James C. Napier.
James Madison. James Madison Jr. (March 16 [O.S. March 5], 1751 â June 28, 1836) was an American statesman and Founding Father who served as the fourth President of the United States from 1809 to 1817. He is hailed as the Father of the Constitution for his pivotal role in drafting and promoting the United States Constitution and the Bill of Rights.