Richard M. Stallman

Richard Stallman is a pivotal figure in the software world, renowned for his activism for software freedom. He initiated the development of the GNU operating system, aiming to create a fully free system, thereby launching the Free Software Movement. He is dedicated to spreading the ethical ideas of this movement and campaigns against software patents and the expansion of copyright laws. He is also the originator of the copyleft concept and the principal author of the GNU General Public License.