Jeremy Allison

Jeremy Allison is a computer programmer known for his contributions to the free software community, notably to Samba, a re-implementation of SMB/CIFS networking protocol, released under the GNU General Public License.
Other contributions include the early versions of the pwdump password cracking utility.
Career.
Free software evangelism.
During his career, Jeremy Allison has consistently defended the free software approach:
This commitment to free software culminated with his decision to leave Novell in protest of a patent deal that was considered by many as a FUD attack on Linux and other free software, and by Allison as breaking section 7 of the GNU General Public License.