8 , ▁in ▁Ast ounding ▁St ories ) ▁Gray ▁L ens man ▁( 1 9 5 1 . ▁Origin ally ▁published ▁in ▁four ▁parts , ▁October ▁ 1 9 3 9 ▁– ▁January ▁ 1 9 4 0 , ▁Ast ounding ▁Science ▁F iction ) ▁Second ▁Stage ▁L ens men ▁( 1 9 5 3 . ▁Origin ally ▁published ▁in ▁four ▁parts , ▁November ▁ 1 9 4 1 ▁– ▁February ▁ 1 9 4 2 , ▁Ast ounding ▁Science ▁F iction ) ▁Children ▁of ▁the ▁L ens ▁( 1 9 5 4 . ▁Origin ally ▁published ▁in ▁four ▁parts , ▁November ▁ 1 9 4 7 ▁– ▁February ▁ 1 9 4 8 , ▁Ast ounding ▁Science ▁F iction ) L ens man ▁Se quel The ▁Vor tex ▁Bl aster ▁( 1 9 6 0 . ▁Pub lished ▁with ▁the ▁title ▁Masters ▁of ▁the ▁Vor tex ▁in ▁ 1 9 6 8 ) ▁ ▁Origin ally , ▁the ▁series ▁consisted ▁of ▁the ▁four ▁nov els ▁Gal actic ▁Pat rol , ▁Gray ▁L ens man , ▁Second ▁Stage ▁L ens men , ▁and ▁Children ▁of ▁the ▁L ens , ▁published ▁between ▁ 1 9 3 7 ▁and ▁ 1 9 4 8 ▁in ▁the ▁magazine ▁Ast ounding ▁St ories . ▁In ▁ 1 9 4 8 , ▁at ▁the ▁suggestion ▁of ▁Lloyd ▁Arthur ▁E sh bach ▁( publish er ▁of ▁the ▁original ▁ed itions ▁of ▁the ▁L ens man ▁books ▁as ▁part ▁of ▁the ▁Fant asy ▁Press ▁im print ), ▁Smith ▁re w