Career
Holzer worked with Tiffany until 1898. In New York some of his work with Tiffany can be seen in the lobby of The Osborne, 205 West 57th Street, New York City. In Chicago his mosaics are featured in Tiffany"s public spaces of Holabird & Roche"s Marquette Building, Chicago (1894, building completed 1895).
He was the designer of the Tiffany dome at the Chicago Cultural Center, 78 East Washington Street (1897, Shepley, Rutan & Coolidge, architects).
At Princeton, his mosaics of subjects from Homer fill the rear wall of Alexander Hall (William Appleton Potter, architect, 1895, now Richardson auditorium). In Troy, New York, his stained-glass east wuindow and baptistry mosaics can be seen in Street Paul"s Church, remodelled uinder Tiffany"s direction.
On leaving Tiffany studios, he travelled in the Near East. He provided some of the illustrations for Mary Bowers Warren, Little Journeys Abroad (Boston, 1894).