Michael Joseph (26 September 1897 – 15 March 1958) was a British publisher and writer.
After a period as a literary agent for Curtis Brown, Joseph founded his own publishing imprint as a subsidiary of Victor Gollancz Ltd. Gollancz invested £4000 in Michael Joseph Ltd, established 5 September 1935. Michael Joseph bought out Gollancz Ltd in 1938.
In 1985, Michael Joseph Ltd was acquired by Penguin Books.
https://en.wikipedia.org/wiki/Michael_Joseph_(publisher)
https://www.penguinrandomhouse.co.uk/publishers/michael-joseph/