Nicolaus Copernicus surviving primary documents on the early years of Copernicus's childhood and education. Copernicus biographers assume that Watzenrode first sent young Copernicus to St. John's School, at Toruń, where he himself had been a master. Later, according to Armitage, the boy attended the Cathedral School at Włocławek, up the Vistula River from Toruń, which prepared pupils for entrance to the University of Kraków, Watzenrode's alma mater in Poland's capital. In the winter semester of 1491–92 Copernicus, as "Nicolaus Nicolai de Thuronia", matriculated together with his brother Andrew at the University of Kraków (now Jagiellonian University). Copernicus began his studies in the
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