(historical) researchers who were employed by Tokugawa shogunate and studied Japanese and/or Japan-related history (Japanology).

physicist

geographer

geologist

osteologist

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

experimental psychology

(criminology, psychology) criminal psychology; the study of the criminal mind

clinical psychology

parapsychology