For other places with the same name, see Hopewell, New Jersey (disambiguation). Hopewell is a borough in Mercer County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 1,922, reflecting a decline of 113 (-5.6%) from the 2,035 counted in the 2000 Census, which had in turn increased by 67 (+3.4%) from the 1,968 counted in the 1990 Census.
George Edward Alcorn, Jr. George Edward Alcorn, Jr. (born March 22, 1940) is an American physicist and inventor who worked primarily for IBM and NASA. He was inducted into the National Inventors Hall of Fame in 2015.
From Wikipedia, the free encyclopedia. Carl Edward Sagan (/ËseÉªÉ¡Én/; November 9, 1934 â December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. He is best known for his work as a science popularizer and communicator.