As an undergraduate Roberts led Cambridge expeditions to Vatnajokull, Iceland (1932)[REF][REF] and to Scoresbysund, east Greenland (1933) [REF].
Roberts continued to take part in polar expeditions during his professional life as official British observer, including the Norwegian-British-Swedish Expedition to Queen Maud Land, Antarctica in 1950-1951[REF] and Operation Deep Freeze 61 (1960-1961) [REF].