Dr. Neil deGrasse Tyson

Dr. Neil deGrasse Tyson is a world-renowned astrophysicist.  He is the recipient of twenty-one honorary doctorates and the NASA Distinguished Public Service Medal, the highest award given by NASA to a non-government citizen.  He is a science communicator and has hosted the educational science television show NOVA Science Now on PBS and was the host & narrator for Cosmos: A SpaceTime Odyssey.