He also wrote under the pseudonyms Edith Brendall, Doriac Greysun and others.
Bertin was born in Altona, Hamburg, Germany, to a Belgian father and a German mother.
The family moved to Belgium soon after his birth, where he resided since with the exception of one year in Germany.
He studied languages at the Provincial Trade and Higher Technical Institute in Ghent, after which he initially worked at a bank.
Much of his work belongs to a cycle of pieces detailing a future history of mankind.