Quirino O. Navarro was a Filipino nuclear physicist and chemist who studied isotopes of californium, dysprosium, and einsteinium. His work was published in two books and three volumes and even became useful for teaching students in the University of California. In 1956 he graduated from the University of the Philippines with a bachelor's degree in chemistry and by 1962 he got his Ph.D. in nuclear chemistry from the University of California.