 He used the pen name "R. Berns" for his Marvel work.Bernstein adapted the famed radio drama character The Shadow for Archie Comics in 1964, and his last work for that character was the two stories in "The Shadow" #3 (Nov. 1964).Bernstein's last original DC story in the 1960s was "Olsen's Time-Trip to Save Krypton" in "Superman's Pal Jimmy Olsen" #101 (April 1967).