Geir Brenden is one of the authors of the bestselling "De som falt" (which covers all Norwegian volunteers on the German side that were killed in action). He also authored "Norwegian officers in the Waffen-SS", "Hitler's Norwegian Ski Jager", and "Norwegian volunteers on the German side" 1, 2 and 3. In addition, he has helped with information and photos for over forty books and has written several articles for newspapers and magazines. Geir began to gather information and images from the Norwegian volunteers on the German side in the 80s. He has interviewed many volunteers and has one of the largest collections of photographs and documents about the Norwegian volunteers, his collection contains about 30,000 images. He is now working on and collecting data for 6 new books. Geir is a security guard and has worked in the industry for over 17 years. In his free time he organizes trips to the Eastern Front where Norwegians fought. He has been on multiple trips to Karelia, Narva, Courland, the Ukraine, Hungary, Germany and Poland with his wife.