Len Sak is a famous South African cartoonist, who started drawing cartoons for publication in 1948.
He drew the comic strips "Vossie en Kieste" for Die Brandwag from 1956-1962 and "Mabel and Sagile" for Bantu World from 1956-1968 and "Tim Tuck" for The Cape Argus freom 1959-1960.
His most famous comic strip was "Jojo" which first appeared in Drum in February 1959. This strip ran for many years, reaching an end in 2003 in The Sowetan. In 1985 the SABC produced a TV series based on this comic strip which ran for 52 episodes.
Sample strip from JoJo:
From 1960-1962 he drew the comic strip "Pletz" for Zionist Record and SA Jewish Chronicle. In 1963 he published his own Jewish children's comic book "Gibor", which ran for four issues. Gibor contained the strips "The Kaplans", "Kupi", "Dov" and "The Secret Tunnel" - the latter three strips were continued in Zionist Record in 1964.
Sample strip from The Secret Tunnel:
Sample strip from Cherrie: