The railroad was owned and operated by the Mellon family of banking fame.
The Mellon family, which has a 13.6 percent stake in the company, still wields great influence over the board.
Carlyle is a Washington-based merchant bank that is 20 percent owned by the Mellon family.
For a time, Robert and David also worked for the Mellon family as bodyguards.
And besides, the Mellon family had other diversions to keep him busy.
In addition, the Mellon family has provided significant financing for a number of the gallery's projects.
The Mellon family using the bank as a proxy had direct involvement with founding the modern aluminium, oil, consumer electronics and financial industries.
The park was established by the prominent Mellon family in 1878, and remained family-owned for over 100 years.
Woods practiced law in Philadelphia and then in Pittsburgh, where he became associated with the interests of the Mellon family.
The Mellon family has maintained a home at Mill Reef since its founding in 1947.