He is best remembered in history as the then-anonymous whistleblower who exposed the plans of then-Philippine President Ferdinand Marcos to place the Republic of the Philippines under Martial Law.

[3] His paternal family line is believed to be descended from Rajah Soliman, who was one of two paramount rulers of the Rajahnate of Maynila before European colonizers arrived in the Philippines.

[5] After his graduation as part of PMA class of 1933, he spent two years as a lieutenant in the 23rd Philippine Constabulary (PC) Company in Iloilo before being chosen to study in the Air Corps Flight School at Randolph Field, Texas.

[3] A week before Philippine President Ferdinand Marcos declare martial law in September 1972, copies of the plan for its implementation were distributed to key officials within the Armed Forces.

[2]: "32" Not long after the declaration of martial law, the Marcos-controlled press reported that Soliman had died of a heart attack, but it is believed that Marcos had ordered that he be killed.