Background
He was born in Newlands, Cape Town.
He was born in Newlands, Cape Town.
He graduated with a law degree, later becoming a journalist and writer of many corporate histories.
The elder of two children born to Richard Rosenthal and Hedwig De Beer, he received his first education at Parktown Preparatory School in Johannesburg, and later Saint John"s College. He chose to follow a legal career and qualified as an attorney at the University of the Witwatersrand. Early opportunities as a journalist saw his virtual abandoning of law.
He was competent at sketching and enlivened his books with explanatory drawings.
Rosenthal was married to Jenny Bradley on 18 December 1934 in Westcliff, Johannesburg. On retirement they settled in Fish Hoek near Cape Town.
He was a member of the Three Wise Men on Springbok Radio"s long-running quiz show, Test the Team.