With the invention of bentwood furniture, Michael Thonet laid the cornerstone of industrial production. Michael Thonet's sons, Franz, Michael Jr., August, Josef and Jakob, joined the company Gebrüder Thonet in Vienna in 1853. When Michael Thonet died in 1871, his sons took over the management of the company. They developed new machinery and new production methods. They even developed new furniture concepts. Towards the end of the 19th century, the third generation of the family, Karl, Julius, Theodor, Alfred, Victor and Richard, became involved in the operation. They designed new furniture and other products.