His exhausting studies on the epidemiology of cholera, typhoid, dysentery, measles, and diphtheria led to the control of these diseases in the country. Devoted more than 50 years of his life to public health.
Birthdate : 15 January 1894
Died : 18 December 1987
- Dr.P.H - John Hopkins University 1924
- R.P.H. - John Hopkins University 1923
- M.D. - University of the Philippines 1919