Hiroki Kosai 1933 – 2026
Scientists and Inventors
Celebrities, Scientists and Inventors
Biography
Hiroki Kosai was a Japanese astronomer (1933–2026). Born February 8, 1933 in Kurashiki. Died March 26, 2026.
Hiroki Kosai was a Japanese astronomer (1933–2026). Born February 8, 1933 in Kurashiki. Died March 26, 2026.
