[2][3] Designed by city architect Jean-François Eydt, the residence was built by an Alsacian glove manufacturer, Gabriel Mayer, in a classical 19th-century style with a Neoclassical facade.
It was located on a large plot which became available after the city's fortifications were demolished, providing room not only for the residence and its stables but also for an extensive French-style garden.
[4] In 1874, it was acquired by steel manufacturer Charles Joseph de Gargan before it came into the hands of the industrialist Norbert Le Gallais in 1912.
The second, consisting mainly of 19th-century art, stems from Leo Lippmann (1808–1883), a banker and Consul General of Luxembourg in Amsterdam.
The third collection, which once belonged to the pharmacist Jodoc Frédéric Hochhertz, comprises 18th century history paintings, still lifes and portraits.