Jean Adamson, British writer and illustrator (Topsy and Tim) (died 2024)

Jean Adamson,, was a British writer and illustrator of children's books. She was best known for the Topsy and Tim books, the first of which was published in 1960 and which have sold 27 million copies. Adamson's creations were also featured widely on television in 84 episodes of Topsy and Tim.

Topsy and Tim is a series of children's books written by Jean Adamson and Gareth Adamson about twins and their adventures with their new friends. They were first published by Blackie in 1960; Topsy and Tim were relaunched in new editions in 1990, 2003 and 2009. In 2020, Topsy and Tim "On the Farm" was reprinted to celebrate 60-years since the first publication.

February 29 is a leap day —an intercalary date added periodically to create leap years in the Julian and Gregorian calendars. It is the 60th day of a leap year in both Julian and Gregorian calendars, and 306 days remain until the end of the leap year. It is the last day of February in leap years only. It is also the last day of meteorological winter in the Northern Hemisphere and the last day of meteorological summer in the Southern Hemisphere in leap years.