S1 : Ronald Ross was born in Almora, in the Himalayas in 1857. S6 : Manson directed him to an effective study of the disease and with his help, Ross solved the mystery in three years. P : He began to feel that he ought to try to do something about it. Q : He was educated in England and returned to India as an officer in the Indian Medical Service. R : He started to study malaria and during a vacation to England, met Patrick Manson and studied tropical diseases under him. S : His medical conscience was stirred by the appalling disease and misery with which he was surrounded in the course of his work. The proper sequence should be: