Which major contemporary art exhibition began in 1895 mainly for decorative arts, showed increasing interest in innovation from 1907, and added Festivals of Music in 1930, International Film in 1932, Theatre in 1934, and Contemporary Dance in 1999?
How did the Great Exhibition of 1851 in the Crystal Palace in the UK differ from the French Industrial Exposition of 1844 which is said to have inspired it?
Which internationally influential Brazilian architect designed both the Museum of Contemporary Art in Niterói, Brazil, (opened 1996) and much of the architecture in Brazil's capital city, Brasilia, (1956-61)?
Which 17th century French philosopher, mathematician, scientist, and writer showed, by using geometric construction and the law of refraction, that the angular radius of a rainbow is 42 degrees?
