Like many ordinary people, great scientists such as Albert Einstein, Marie Curie or Isaac Newton used to work unpaid, living hard because of their low wages and trying their best to improve their lives.
In 1933, when he came to Princeton University, USA, Einstein had a salary of 3000 USD.
In 1856, as a scientific advisor to Trinity House, Michael Faraday was paid a salary of 227 USD.
Caroline was the first woman to be paid for her scientific dedication.
Alexander Fleming received $ 1366 in tea in 1924, four years after he found Penicillin.
