Assoc. Dr. Ion Nicolae, graduated in Geology - Geography in 1968. Teacher in the University of Bucharest in 1969. Ph.D. in Geography ("summa cum laude") in 1999. Author of over 30 volumes, alone and together, from which emerges "Encyclopedia of world states" (first edition 1975, last, the tenth in 2005), regional geography volumes about the continents: Europe Encyclopedia (three editions the last in 2005), Encyclopedia of Asia, Australia and Oceania Encyclopedia (second edition), Encyclopedia of Africa, the Americas and works dedicated Encyclopedia exceptional elements present in the earth's surface including the first Romanian work on more than 800 targets included in UNESCO World Heritage Site (2005 ).