Nicolaus Copernicus (born Torun, Poland, 1473; died Fromborck, Poland, May 24, 1543) was an astronomer and priest. He caused great upheaval among authorities when he proposed that the sun and not the earth was the center of the planetary arrangement.
Jeff Kinney (born Fort Washington, Maryland, 1971) is a cartoonist, game designer, and author of children’s books. He has written the Diary of a Wimpy Kid series. Children can visit his website at: http://www.wimpykid.com/.
Louis Slobodkin (born Albany, New York, 1903; died Miami Beach, Florida, May 8, 1975) was a sculptor, writer, and illustrator. He wrote and illustrated over 20 books. He and his wife, Florence, collaborated on five more books. In addition, he illustrated books by other authors, including Eleanor Estes and Mabel Leigh Hunt. He received the 1944 Caldecott Medal for his illustrations of Many Moons, written by James Thurber. Children can learn more at: Louis Slobodkin