Nobel Prize relevant fields was greater), a greater delay in awarding Nobel Prizes for women's achievements making longevity a more important factor for women (Nobel Prizes are not awarded posthumously), and a tendency to omit women from jointly awarded Nobel Prizes. Four people have received two Nobel Prizes. Marie Curie received the Physics Prize in 1903 for her work on radioactivity and the Chemistry Prize in 1911 for the isolation of pure radium, making her the only person to be awarded a Nobel Prize in two different sciences. Linus Pauling was awarded the 1954 Chemistry Prize for his research into the chemical
Nobel family 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. Ludvig was also the founder of Branobel, the foremost Russian oil industry of its time, and launched the world's first diesel-driven tugs and tankers, besides building the first European pipeline. Alfred Nobel, who