Julius Schwartz's editorial records have Gil Kane listed as penciler, however Kane drew an earlier version which was revised by Neal Adams, as seen here:
http://mydelineatedlife.blogspot.com/2012/01/stories-to-stagger-imaginat...
Schwartz's records provided by DC Comics [July 2007].
from Strange Adventures (DC, 1950 series) #150 (March 1963)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
from Mystery in Space (DC, 1951 series) #53 (August 1959)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
from Strange Adventures (DC, 1950 series) #34 (July 1953)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
from Mystery in Space (DC, 1951 series) #61 (August 1960)