 In December 1942, tsolakologlou was succeeded by Konstantinos Logothetopoulos, a professor of medicine whose main qualification for Prime Minister seemed to be his marriage to the niece of German Field Marshal Wilhelm List.Ioannis Rallis became head of the regime as of April 1943 and was responsible for the creation of the Greek collaborationist Security Battalions.As in other European countries, there were Greeks willing to collaborate with the occupying force.