'Greene isn't a paragon of scholarship either though - again, superficially, for many years now he's been a popsci celebrity rather than a real, actual, string

'Greene isn't a paragon of scholarship either though - again, superficially, for many years now he's been a popsci celebrity rather than a real, actual, string theorist' - Working at Cornell and Columbia, doing research on string theory and writing best-selling books on physics today qualifies a person as a pop-sci physicist? What would you have grouped Einstein as when he was working at the patent office? No really - serious question.