Jan Gellner was a lawyer practicing in the Czechoslovak town of Brno. With the outbreak of hostilities on the European continent, he went to Canada and trained as an air observer on the first course of the fledgling British Commonwealth Air Training Plan. During his post-war service with the RCAF, he had a distinguished career as an administrative officer, retiring in 1958. Now a civilian, Jan turned to writing and became one of Canada's most knowledgeable and sought after aviation and military affairs journalist.
Pavel Vančata is a highly respected Czech aviation historian, author and journalist specializing in Czechoslovaks who served in the RAF during the Second World War. He has published five books in Czech, one in English and also co-authored several other books on related subject matter. He has been a regular contributor to the Czech aviation magazine REVI since 2003. Pavel was born and raised in Prague. He graduated in 2003 as a Telecommunication Engineer from the Czech Technical University in Prague. He is currently employed as a team leader in the Technical Support Department of an international telecommunication company.