The Adler Planetarium, a public museum dedicated to the study of astronomy and astrophysics, was founded in 1930 by Chicago business leader Max Adler. It is located on the northeast tip of Northerly Island at the shore of Lake Michigan in Chicago, Illinois. The Adler is America's first planetarium with a mission to inspire exploration and understanding of the Universe. The Adler Planetarium opened to the public on May 12,1930 in time for the for the Century of Progress International Exposition - a World's Fair held from to 1934 to celebrate Chicago's Centennial. Architect Ernest A. Grunsfeld, Jr. was awarded the gold medal of the Chicago chapter of the American Institute of Architects in 1931. It was declared a National Historic Landmark in 1987. Many souvenir buildings of this Art Moderne masterpiece were created over the years. The most common were made as souvenirs for the 1933 Century of Progress Exposition and came in copper and silver. Rare set of bookends were also produced at that time. I’ve also seen a metal trinket box in which to dome is removable. Finally, A pewter replica was produced by Rawcliffe pewter company perhaps in the 1999 when the addition, a C-shaped semicircle of steel and glass called Sky Pavilion, opened.