Male biographers

Hans Heiberg (28 January 1904 – 6 December 1978) was a Norwegian journalist, literary critic, theatre critic, essayist, novelist, playwright, translator and theatre director.

John Henry Mackay (February 6, 1864 – May 16, 1933) was a Scottish-German egoist anarchist, thinker and writer. Born in Scotland and raised in Germany, Mackay was the author of Die Anarchisten (The Anarchists, 1891) and Der Freiheitsucher (The Searcher for Freedom, 1921).
Later in life, under the pseudonym Sagitta, he became an advocate for homosexual love between men and boys.

Peter Bamm (a pen name; his real name was Curt Emmrich; 20 October 1897 in Hochneukirch, now part of Jüchen, Germany – 30 March 1975 in Zollikon, Switzerland) was a German writer.
Peter Bamm volunteered for military service in World War I, after which he studied medicine and sinology in Munich, Göttingen and Freiburg im Breisgau. As a ship's doctor he travelled the world a great deal before eventually settling in Berlin-Wedding.
During World War II he served as a military doctor on the Russian Front, and later described his experiences in the book "Die Unsichtbare Flagge" (The Invisible Flag). After the war he travelled for study purposes between 1952 and 1957 in the Near and Middle East, after which he wrote as a journalist and feature writer for a number of Berlin newspapers.
He is buried in the Stöcken Cemetery in Hanover.

Pierre Assouline (born 17 April 1953) is a French writer and journalist. He was born in Casablanca, Morocco to a Jewish family. He has published several novels and biographies, and also contributes articles for the print media and broadcasts for radio.
As a biographer, he has covered a diverse and eclectic range of subjects, including:

Henri Cartier-Bresson, the legendary photographer
Marcel Dassault, the aeronautics pioneer
Gaston Gallimard, the publisher
Hergé, the creator of The Adventures of Tintin
Daniel-Henry Kahnweiler, the art dealer
Georges Simenon, the detective novelist and creator of Inspector MaigretSeveral of these books have been translated into English and the Henri Cartier-Bresson biography has been translated into Chinese.
As a journalist, Assouline has worked for the leading French publications Lire and Le Nouvel Observateur. He also publishes a blog, "La république des livres".

WikipediaAssouline was the editor of La Révolution Wikipédia, a collection of essays by postgraduate journalism students under his supervision. Assouline contributed the preface.On 7 January 2007, Assouline published a blog post criticizing the Wikipedia entry on the Dreyfus Affair.