Free Men
"Free Men" is a science fiction short story by American writer Robert A . Heinlein , which originally appeared in his collection "The Worlds of Robert A . Heinlein" ( 1966 ) and was later collected in "Expanded Universe" . 
<triplet> Free Men <subj> short story <obj> genre <subj> Robert A. Heinlein <obj> author <triplet> Robert A. Heinlein <subj> science fiction <obj> genre <triplet> The Worlds of Robert A. Heinlein <subj> science fiction <obj> genre <subj> Robert A. Heinlein <obj> author <triplet> "Expanded Universe" <subj> science fiction <obj> genre <subj> Robert A. Heinlein <obj> author