Page "Carl Sagan" Paragraph 15

His parents helped nurture his growing interest in science by buying him chemistry sets and reading materials.

His interest in space, however, was his primary focus, especially after reading science fiction stories by writers such as Edgar Rice Burroughs, which stirred his imagination about life on other planets, such as Mars.

According to biographer Ray Spangenburg, these early years as Sagan tried to understand the mysteries of the planets, became a " driving force in his life, a continual spark to his intellect, and a quest that would never be forgotten.