E. L. Konigsburg
Elaine Lobl Konigsburg was an American author and illustrator of children's books and young adult fiction. She was the only author to win the Newbery Medal and a Newbery Honor in the same year (1968), with her second and first books respectively: From the Mixed-Up Files of Mrs. Basil E. Frankweiler and Jennifer, Hecate, Macbeth, William McKinley, and Me, Elizabeth. Kongisburg won a second Newbery Medal in 1997 for The View from Saturday, 29 years later, the longest span between any two Newberys awarded to one author.
