Career
In 1866 they organized the Colorado National Bank of Denver. After a great fire engulfed much of the city in 1867, Kountze was credited with saving the city of Denver, Colorado from financial disaster, and ultimately, oblivion. Late that year and into the next Kountze worked with several other investors to form the company that would eventually become the Denver Pacific Railroad and Telegraph Company
Luther left Colorado for New York in 1867.
In 1868 he established the Kountze Brothers Bank at 52 Wall Street in Manhattan.
In 1908, United States Senator Robert LaFollette, Senior included him in the "100 men who controlled banking." He was then vice-president and a director of the United States Mortgage and Trust Company. In 1881 Luther moved to Morristown, New Jersey and built an English-style estate.
He died in 1918, leaving an estate valued at $4,973,950. Philanthropy
Kountze was one of the founders of the Metropolitan Opera House Company.
He contributed a large part of the land that now forms the National Jockey Hollow Park in Morristown, New Jersey.
