From the early 1870s until his death in 1902, John Mackay was among the richest men in the world and was without a doubt the wealthiest man to emerge from Nevada's fabulous Comstock Lode. Author Michael J. Makley explores how, from his beginnings as a poor Irish immigrant, John Mackay developed a strong work ethic that distinguished him for the rest of his life. He came west to seek his fortune in the California Gold Rush and then moved on to Virginia City, Nevada, where he dealt in mining stock