Franco Banfi,Franco Banfi / Banded archerfish (Toxotes jaculatrix) Kot malan kary, Blue water mangrove, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Paul D Stewart / Sepia photograph of Herbert Spencer (1820-1903), English philosopher, 1860s. Spencer was a journalist who published his best known work Principals of Psychology in which he applied Darwin's ideas on e...

Paul D Stewart / Portrait of Jean Jacques Rousseau, Naturalistic Philosopher (28 June 1712 - 2 July 1778); steel engraving by Thevenin after a design by Gleyre with later colouring, after the 1764 portrait by M. Quent...