 In recent years, Grange's interests have turned to the causes of the world tuberculosis pandemic - poverty, inequity and injustice.He retired early from Imperial College London and to work for the British charity TB Alert, the "Consultation on Health" of the World Council of Churches and the International Society for Human Values.1967 - Bachelor of Medicine (London) 
1967 - Bachelor of Surgery (London) 
1974 - Doctor of Medicine (London) 
1981 - Master of Science, Immunology (London)