caption birth_place imagesize nationality birth_date image article_title name occupation
the office . chief of space medicine and health care systems san juan , puerto rico 150px puerto rican 1950 nitza margarita cintrón.jpg nitza margarita cintrón
 dr. nitza margarita cintrón scientist
nitza margarita cintrón

nitza margarita cintrón -lrb- born 1950 in san juan , puerto rico -rrb- is a puerto rican scientist and chief of space medicine and health care systems office at nasa 's johnson space center .
