Geoffrey Freeman Allen (16 March 1922 – 7 July 1995) was an English author specialising in the field of railways.
[1] He authored many books and magazine articles on this subject, and for a time was editor of Jane's World Railways.
Greater Anglia used to operate a class 321 electric multiple unit named “Geoffrey Freeman Allen”.
[1] Geoffrey left a career in the British Army in 1948 to join the writing staff at Trains Illustrated, and in 1950 succeeded his father as editor.
[1] He developed a new style of railway journalism which focused more on business than on train performance and technological innovation and design.