He also worked as a tropical disease consultant to the Ministry of Pensions and was a frequent lecturer at Harford on ophthalmology .
After parting from the Church Missionary Society , Cook served as medical superintendent to the London Medical Mission in Covent Garden for 5 years .
Cook also worked as a tropical disease consultant to the Ministry of Pensions and was a frequent lecturer at Harford on ophthalmology .
After parting from the Church Missionary Society , Cook served as medical superintendent to the London Medical Mission in Covent Garden for 5 years .