Andrew's father was a weaver ... entry in his autobiography was the day World War I began. By the time of Carnegie's death in 1919, he had given away $350 million ($4.4 billion in 2010 dollars).

Till death, Louise, yours alone." The two married and had a daughter, who they named Margaret. After Andrew died, Louise confided to one of Carnegie's biographers that her mother-in-law was the ...