He was born on Ambon and died in Bandung, Dutch East Indies. He was the son of a Dutch father Johannes Hermanus Josephus de Hoog, employed in the Dutch East Indies Navy, and Indo (Eurasian) mother Susanna Beekman. He was married to the Indo Chinese Kiong Nio Oei (1874–1961). The couple had two adoptive children.
After an expeditious and successful professional career Dick de Hoog went into politics and became the undisputed leader of the Indo Europeesch Verbond (English: Indo European Alliance), the most important Indo emancipation movement of the time. As its’ representative he became a professional politician and full time member of the Dutch East Indies ‘Volksraad’, an infant form of parliament .
He successfully united all Indo social layers and built the largest Indo organisation in the Dutch East Indies. His organisation became the biggest political fraction represented in the People’s Assembly fighting for race equality and a self sufficient and independent nation, albeit as a dominion in a larger Dutch commonwealth .
A beloved and popular figure among Indos in the Dutch East Indies he became the face and voice of Indo emancipation. Emerging as the IEV’s charismatic leader he was a champion of Indo interests in the Dutch East Indies until his death in 1939.