In this excerpt, James Cross Giblin characterizes Thomas Young through his actions.
The text describes Young's exceptional ability to learn languages and his mastery of a dozen foreign languages including Arabic, Persian, and Turkish. It also highlights his scientific pursuits such as studying spiders, surface features of the moon, and diseases of the chest. These actions and accomplishments help to establish Young's character and set the stage for his interest in deciphering the writing on the Rosetta Stone.