Revolutionary heroes Emilio Jacinto, Andrés Bonifacio, and Dr. Pío Valenzuela.

These "Kataas-taasang Tatlo" comprised of the core members of the Supreme Council of the Katipunan but were
more popularly known as the Triumvirate http://www.pbase.com/carinoza/mon_valenzuela_triumvirate .

This photo was taken on the day of its official inauguration during the 139th birth anniversary of Dr. Pío Valenzuela.