[2] He attended Grey College in Bloemfontein and in 1900, he relocated to Cape Town, to continue his studies at the South African College, where he obtained a BA (Hons.)
After graduating, he started working for a law firm in Johannesburg and studying part-time for his LLB degree, which he obtained in 1907.
on 6 February 1952), and almost four months after taking silk he became a judge of the Transvaal Provincial Division of the Supreme Court.
[1][3][4] Greenberg was the presiding judge in the longdrawn-out trial of Daisy de Melker.
After a trial that lasted thirty days, with sixty witnesses, he delivered an ex tempore judgment.