Kate Silverton on the "Broadway Diva" Barbara Cook, the American singer and actress who first came to prominence in the 1950s as the lead in the original Broadway musicals Plain and Fancy and Candide; Sister Ruth Pfau 'Mother Teresa' of Pakistan for her work in combating the spread of leprosy; Richard Gordon the anesthetist,whose medical work inspired him to write Dr in The House novels which were made into films and a TV series; Prof. U.R. Rao, Pioneer of India's Space Programme, who brought knowledge to millions of people through digital communications via the many satellites he launched into space.