Leonard "Len" H. Tower Jr. is a hacker and activist in the free software movement. Tower became an Eagle Scout in 1967 and was also awarded the Vigil Honor in the Order of the Arrow.In 1971, he received a B.S. in biology from the Massachusetts Institute of Technology where he held several management roles at The Tech, the student newspaper, and became active in Alpha Phi Omega and other service organizations as he has remained throughout his life. He is well known for his software development and community relations for, and his organization, administration, and support of the GNU Project's Free Software Foundation and the League for Programming Freedom.