Martha Frick Symington Sanger is the author of "Henry Clay Frick: An Intimate Portrait" (1998), which was cited in August 2007 in the "Wall Street Journal" by Carnegie Corporation president Vartan Gregorian as one of the "five best" books detailing the lives and contributions of great philanthropists in America's gilded age. Her second book, "The Henry Clay Frick Houses: Architecture-Interiors-Landscapes In the Golden Era" (2001), captured in great detail the homes Frick built in Pittsburgh, New York, and Boston's North Shore. In 1991, Ms. Sanger served as an advisor for the introductory v...