caption doctoral_advisor work_institution birth_place image_size ethnicity field birth_date residence image article_title name alma_mater
trodden on bloggingheads.tv robert brandenberger university of pennsylvania wigan , england 219px english physics 1968 philadelphia , pennsylvania marktrodden.jpg mark trodden
 mark trodden cambridge university brown university
mark trodden

mark trodden -lrb- born 1968 -rrb- is a theoretical cosmologist and particle physicist .
he is the fay r. and eugene l. langberg professor of physics and co-director of the center for particle cosmology at the university of pennsylvania .
