Heymann begun making free lance contributions to the Accra Evening News from 3 September 1948, at the time he received no salary. In that same year, he worked with the Gold Coast Express as a staff reporter. There, he rose through the ranks to become a senior reporter and later sub-editor between the latter period of 1948 and 1949. During the aforementioned period, Heymann was editor for a secret paper known as the Freedom Defence Society Link. He became editor of the Gold Coast Express in 1950 and engaged with the Daily Graphic that same year as sub-Editor, Rewrite Editor and acting Night Editor. After his training with the Daily Graphic he was employed by Ausco Press Limited to submit what he called "professional information leading to the establishment of Newspapers".
