William Gaertner Images

Portrait of William Gaertner. Source: Chicago’s Accomplishments and Leaders, compiled and published by Glenn A. Bishop in collaboration with Paul…

The Yerkes Observatory in Williams Bay, Wisconsin, photographed between 1928 and 1932.

Gaertner single-screw machine owned by Yerkes Observatory. This piece of equipment was used for parallax plates to make precise measurements…

Entrance to the building that once housed the Gaertner Scientific Corporation, 1201 Wrightwood Avenue, Chicago.

Ever stylish, Belva Gaertner sits at a table and looks at her defense attorney, Thomas D. Nash, during her murder…

Wearing a striped prison dress, Belva Gaertner looks through the bars of her cell in a Chicago prison, March 1924.

Belva Gaertner, who performed under the stage name Belle Brown, during her days as a cabaret singer in Chicago.

William Gaertner’s grave, Mt. Greenwood Cemetery, Chicago