Franz Mayer of Munich

The firm was popular during the late nineteenth and early twentieth century, and was the principal provider of stained glass to the large Roman Catholic churches that were constructed throughout the world during that period.

[3] "Stylistically, Mayer's windows tend to contain richly colored scenes bordered by architectural frames consisting of pilasters, columns, architrave and elaborate canopies.

"[4] It represents an aesthetic that was evidently prized in its time for its craftsmanship and opulence as well as for its ability to engage the viewer emotionally and spiritually.

"[4] "The studio often incorporated imagery from Great Master paintings as well as compositions of the nineteenth century, a standard practice in public decorative work of the era.

For example, a window in the Cathedral of St. John the Baptist, Charleston, South Carolina, installed in 1907 or 1925–26, shows the Transfiguration of Christ modeled after the 1517 painting by Raphael in the Vatican.

From 1970 on, Gabriel Mayer pushed architecture-related works and the Middle East market, resulting in the realization of the Heart Tent by Bettina and Frei Otto at the Diplomatic Club Riyadh, Saudi Arabia.

[7] Since 1994, the couple collaborated on Munich projects such as the Herz-Jesu-Kirche (1996), Fünf Höfe (2001) and Path of memory, Ohel Jakob synagogue (2005).

[8] Nowadays the company fabricates and realizes mosaic and glass projects in collaboration with renowned artists, such as Georg Baselitz, Kiki Smith, Shahzia Sikander, Brian Clarke, Doug and Mike Starn, Ellsworth Kelly, Jani Leinonen, JR, William Wegman, Nick Cave, Sean Scully, Jan Hendrix, Peter Beard or Vik Muniz.