* Known as the "Father of Philippine Plant Breeding".

* Developed more than 30 rice varieties, including the widely-grown IR-8.

* Served as the Director of the International Rice Research Institute (IRRI) from 1972 to 1982.

Eduardo A. Quisumbing

* A botanist and taxonomist who identified and described more than 3,000 plant species in the Philippines.

* Founded the National Museum of the Philippines' herbarium and served as its first curator.

* Authored several books and scientific papers on Philippine plants.

Fe del Mundo

* A pediatrician and scientist who is known for her work on child health and nutrition.

* Established the Children's Medical Center in Manila, which became a leading center for pediatric care in the Philippines.

* Developed the "Fe del Mundo Formula", a nutritional drink for children.

Lourdes J. Cruz

* A marine biologist and oceanographer who has conducted extensive research on the marine environment of the Philippines.

* Founded the Marine Science Institute of the University of the Philippines.

* Served as the Secretary of the Department of Science and Technology (DOST) from 2007 to 2010.

William V. Padolina

* A scientist and conservationist who has made significant contributions to the conservation of Philippine wildlife.

* Founded the Haribon Foundation for the Conservation of Natural Resources, one of the leading environmental organizations in the Philippines.

* Served as the Secretary of the Department of Environment and Natural Resources (DENR) from 2001 to 2002.