However, we can highlight some key figures:
* Galileo Galilei (1564-1642): While not specifically focused on craters, Galileo was one of the first to use a telescope to observe the Moon. He produced detailed drawings of the lunar surface, which likely showed some craters, though he attributed these features to "seas" and "mountains."
* Giovanni Battista Riccioli (1598-1671) and Francesco Maria Grimaldi (1618-1663): These astronomers created a detailed lunar map in 1651, using their observations to name many prominent features, including craters. This map was influential and helped establish the nomenclature used today.
* William Herschel (1738-1822): Herschel made numerous observations of the Moon, including studying its surface features, including craters. He also suggested that craters were caused by volcanic eruptions.
* Johannes Franz Julius Schmidt (1825-1890): A 19th-century astronomer, Schmidt made extensive observations of the Moon, compiling detailed maps and documenting crater formations.
It's important to note:
* While these figures made significant contributions to lunar studies, earlier astronomers likely made observations of the Moon, although they might not have been as detailed or focused on craters specifically.
* The concept of craters being formed by impacts was not widely accepted until the 20th century.
So, while we can't pin down the *very first* person, these individuals were among the pioneers who laid the groundwork for our understanding of lunar craters.