Ryutaro Tsuchida

Ryutaro Tsuchida (槌田·龍太郎; 1903-1962) was a Japanese chemist.

Tsuchida graduated from Tokyo University in (昭和3年，Shōwa era 3rd) 1928. In June 1935, he established a fifth course at Osaka University. In 1939, he originally proposed the correlation between molecular geometry and number of valence electron pairs (both shared and unshared pairs).