"Famous Men of Science" by Sarah Knowles Bolton is a historical account written in the late 19th century. The book highlights the lives and achievements of notable figures in science, detailing their struggles, triumphs, and contributions to the field. Through biographical sketches, Bolton aims to inspire readers with stories of perseverance and intellectual passion. At the start of the text, the author establishes the objective of the book by summarizing its intent to showcase how young men, despite facing obstacles such as poverty and illness, have made significant impacts on science. The opening focuses on Galileo Galilei, introducing his early life, education, and the challenges he faced on his journey toward becoming a renowned scientist. Themes of determination and the importance of following one’s true calling are evident in Galileo’s narrative, illustrating how foundational experiences shaped the path for many great scientists. (This is an automatically generated summary.)