The theory concerning the migrant origins of the Soga clan' took academic circles by storm when it was first proposed by Teiji KADOWAKI in 1971, and became widely popular among ancient history buffs.
門脇禎二が1971年に提唱した「蘇我氏渡来人説」は学界を席巻しただけでなく、一般の古代史ファンにも広く受け入れられた。