Anders Celsius (born Uppsala, Sweden, 1701; died Uppsala, Sweden, April 25, 1744) was an astronomer. However, he is most famous for his Celsius temperature scale. In the Celsius (centigrade) Scale, water freezes at zero degres, and water boils at one hundred degrees. Children could compare and contrast the Fahrenheit Scale with the Celsius Scale. They could also research where these scales are used.
Kevin Henkes (born Racine, Wisconsin, 1960) is a children’s author and illustrator. One of his books is Lilly’s Purple Plastic Purse. His Circle Dogs received the 1999 Charlotte Zolotow Award: Highly Commended. Henkes received a 2004 Caldecott Honor Award for Owen. Kitten’s First Full Moon was awarded the 2005 Caldecott Medal, and Olive’s Ocean received a 2004 Newbery Honor Award. He earned a 2014 Newbery Honor Award for The Year of Billy Miller. He received a 2016 Caldecott Honor Award for Waiting. Notice that Henkes has received both Caldecott and Newbery Awards – what an accomplishment! His amazing website is absolutely loaded with activities: Kevin Henkes.
Robert R. Livingston
Robert R. Livingston (born New York, New York, 1746; died Clermont, New York, February 26, 1813) was a patriot, a member of the Continental Congress, and a diplomat. Representing New York, he was one of the Committee of Five, the representatives who drafted the Declaration of Independence. A fervent believer in independence, he was recalled to New York and did not sign the Declaration. He delivered the presidential oath to George Washington at the inauguration in 1789. He was Minister to France from 1801 to 1804 and therefore he negotiated the Louisiana Purchase. Children could learn more at: Robert R. Livingston.
Katherine Milhous (born Philadelphia, Pennsylvania, 1894; died Philadelphia, Pennsylvania, December 5, 1977) was a writer and an illustrator. She wrote and/or illustrated over fifteen books. One of her books, The Egg Tree, received the 1951 Caldecott Medal.
Bill Nye (born Washington, DC, 1955) is an educator, writer, scientist, and TV personality. He hosted “Bill Nye the Science Guy” on television from 1993 to 1998. He continues to be active in the combined fields of science and education. Children could spend days at his amazing website: Bill Nye.

Nellie Tayloe Ross (born Saint Joseph, Missouri, 1876; died Washington, DC, December 19, 1977) was the first woman governor of a state in the United States. After her husband, the governor of Wyoming, died, she completed his term. Then she campaigned and won her term. She was not reelected, but she became director of the United States Mint in 1933. She remained at that post for twenty years. Children could learn more at:
Continental Congress. He was secretary as the colonial representatives drafted and voted on the Declaration of Independence. Many historians believe that only John Hancock and he signed the Declaration of Independence on July 4, 1776. He recorded government proceedings for the next fifteen years and collected thousands of documents. He gave all the records to the government in 1789.

Jan Brett (born Norwell, Massachusetts, 1949) has written and illustrated at least 50 books. Her works include Hedgie’s Surprise and The Mitten. Children can visit her