Jean Philippe de Chéseaux was a Swiss astronomer and mathematician born in 1718. He is best known for his work in observational astronomy and for his contributions to the understanding of comets. Chéseaux was particularly interested in the study of the night sky and made significant observations during his lifetime. In addition to his astronomical work, Chéseaux was also involved in the early development of the {Swiss Academy of Sciences}. His research laid the groundwork for future astronomers and helped advance the field of astronomy in the 18th century. He passed away in 1751, leaving a lasting impact on the scientific community.