He participated in the student movement of the 1960s.

Graphology is the study of determining a person's character or condition from their handwriting.

Graphology is a study that interprets a person's character and abilities from their handwriting.

My younger sister is attending a junior college.

He is writing a thesis on geomorphology.

He is doing a special exercise to train his digastric muscle.

He is writing a thesis on celestial mechanics.

He loves the performance of rinyu-gaku.

I was fascinated by the beauty of shiragi-gaku.

He is a famous osteologist, studying many fossils.