 He died at Bexhill-on-Sea at the age of 60.During his last illness Guggisberg addressed to his personal friends a remarkable letter setting forth the aims which he had had in view in his administrative work in British Guiana, his confidence in divine guidance and in the spirit of Christianity, and his hope of being able to return to Africa "to try to do some more work for the African races... As you know", he concluded, "my heart is in Africa, and I believe that away from the trammels of the Colonial Office, there is opportunity for me to do something useful both for the Empire and for the natives of Africa.