Captain Bellen is a remarkable person in the history of Dutch prehistoric research who was active in the first half of the 20th century. This amateur archaeologist made a number of important discoveries and corresponded with the leading professionals of his time. In later years, Bellen became interested in folklore, the dowsing rod and ley lines as well, endangering his reputation as archaeologist.
Henk M. Luning (1935) is amateurhistoricus en schrijft regelmatig over Drentse historische onderwerpen in de uitgave Ons Waardeel van de Drentse Historische Vereniging, de Nieuwe Drentse Volksalmanak en in de Asser Historische Reeks. Van zijn hand verschenen ondermeer Geschiedenis van de kerk te Noordlaren (1977) en De buitenplaatsen Meerlust, Bloemert, Meerwijk, van bisschoppelijk tafelgoed tot recreatieoord (1980).