Nicolaus Copernicus pioneering contribution to the Scientific Revolution. Copernicus was born and died in Royal Prussia, a region that had been part of the Kingdom of Poland since 1466. A polyglot and polymath, he obtained a doctorate in canon law and was also a mathematician, astronomer, physician, classics scholar, translator, governor, diplomat, and economist. In 1517 he derived a quantity theory of money – a key concept in economics – and in 1519 he formulated an economic principle that later came to be called Gresham's law. Nicolaus Copernicus was born on 19 February 1473 in the city of Thorn (modern Toruń), in
Nicolas Day coauthored with Ken Simpson and commonly referred to as “Simpson & Day”, which has been published in eight editions from 1984 to 2010, selling over 500,000 copies. As well as the “Simpson & Day” field guide, books featuring Day’s illustrations include: Nicolas Day Nicolas Day (born 1955) is an Australian wildlife artist, illustrator and teacher. Day was born in Surrey, England, and moved to Australia at the age of ten. Having acquired an early interest in natural history, he worked as a keeper at the Melbourne Zoo before turning to wildlife illustration as a career in 1977. He joined a