amateur astronomer (アマチュア天文学者)
It was the first time this award was given to an amateur astronomer.
A nova was discovered by amateur astronomer Koichi Itagaki, Nova Delphini 2013.
Akaa Solar System Scale Model was built in 2017 by amateur astronomer Kari-Pekka Arola.
mathematician and astronomer (数学者と天文学者)
Carl Theodor Anger Carl Theodor Anger (Danzig, 31 July 1803 – Danzig, 25 March 1858) was a German mathematician and astronomer.
Jean Chazy Jean François Chazy (15 August 1882, Villefranche-sur-Saône – 9 March 1955, Paris) was a French mathematician and astronomer.
This was more accurate than Liu Hui's contemporary Wang Fan, a mathematician and astronomer from Eastern Wu, would render pi as 3.1555 by using ⁄.