 Members of the Nobel family are known not only for their interest in art but also for their inventive ability, which is sometimes referred to as a "Rudbeckian" trait, inherited from their ancestor Olaus Rudbeck, the elder.Immanuel Nobel pioneered the development of underwater mines, designed some of the first steam engines to power Russian ships, installed the first central heating systems in Russian homes and was the first to develop modern plywood (cut with a rotary lathe).One of his sons, Ludvig Nobel, was the founder of The Machine-Building Factory Ludvig Nobel, a great armaments concern and the inventor of the Nobel wheel.