Tan Tock Seng, one of Singapore's most illustrious pioneers, was an influential Chinese community leader. In the early 1820s, he responded to Sir Stamford Raffles' call to open up Singapore for trade, and later became a prominent entrepreneur, a social leader of the Chinese community and a philanthropist. He also spearheaded the building of the Thian Hock Keng Temple as a rallying point for his fellow clansmen, as well as the Tan Tock Seng Hospital to provide medical services for people in Singapore.This book provides a comprehensive account of Tan Tock Seng's life, tracing his life and legacy, as well as the contributions of himself and his family. It also includes prominent family members such as Tan Kim Ching, Tan Teck Guan, Tan Boo Liat, Tan Chay Yan and Tan Hoon Siang. The fruits of their contributions have greatly impacted communities in Singapore, as well as other countries in the region.In delineating the Tan family's life and contributions, perspectives into the social, political and business workings of the lives of Overseas Chinese immigrants during the colonial era are also brought to light. Their legacy beyond Singapore's shores also highlights the regional networks of business and Chinese settlement in Nanyang. These stories bring complexity and nuance to broad-stroke developments, events and milestones in Singapore history, enhancing popular understanding and appreciation of Singapore.