Progressive former governor James Stephen Hogg moved his business headquarters to Houston in 1905. For seven decades, his children Will, Ima, and Mike Hogg used their political ties, social position, and family fortune to improve the lives of fellow Houstonians.

As civic activists, they espoused contested causes like city planning and mental health care. As volunteers, they inspired others to support social service, educational, and cultural programs. As philanthropic entrepreneurs, they built institutions that have long outlived them: the Houston Symphony, the Museum of Fine Arts,...

Captain James A. Baker, Houston lawyer, banker, and businessman, received an alarming telegram on September 23, 1900: his elderly millionaire client William Marsh Rice had died unexpectedly in New York City. Baker rushed to New York, where he unraveled a plot to murder Rice and plunder his estate. Working tirelessly with local authorities, Baker saved Rice's fortune from more than one hundred claimants; he championed the wishes of his deceased client and founded Rice Institute for the Advancement of Literature, Science and Art--today's internationally acclaimed Rice University.For fifty years...