[3] Nixon and Zimmerman acquired the lease of the Walnut Street Theatre from the widow of George K. Goodwin, who died in the summer of 1881.

They already owned Haverly's, later called the Chestnut Street Theatre, and they now dominated the theater business in Philadelphia.

[8] In 1896 Zimmerman, Nixon, Al Hayman of San Francisco, Marcus Klaw, A. L. Erlanger, and Charles Frohman of New York joined to form the Theatrical Syndicate.

[9] The syndicate was organized as an informal pool rather than as a modern corporation, a relatively fragile structure that relied on trust and cooperation.

He died in 1925 and was buried in the family crypt on "Millionaire's Row" at Laurel Hill Cemetery in Philadelphia.