cliparts/3/0/f/6/clipart-people-near-a-blackboard-30f6.svg image/svg+xml Open Clip Art Library people near a blackboard 2008-04-17T12:19:05 Two people talking near a green blackboard. E=mc² formula written on a blackboard. One person is standing and listening. The other person is pointing to the blackboard. \n \nSilhouttes of the people are also available separately. http://openclipart.org/detail/16411/people-near-a-blackboard-by-jetxee-16411 jetxee blackboard blackboard cartoon cartoon clip art clipart colour colour discussion discussion education education formula formula image inkscape inkscape media people people png public domain school school science science students students svg talk talk two two