Nagai Nagayoshi

Nagai Nagayoshi
Nagai Nagayoshi
Photo courtesy of the Matsuyama University Library Archives.
Born(1844-08-08)August 8, 1844
DiedFebruary 10, 1929(1929-02-10) (aged 84)
NationalityJapanese
Occupation(s)Organic chemist, pharmacologist
Known fordiscovery of ephedrine
SpouseTherese Schumacher
ChildrenAlexander Nagai

Nagai Nagayoshi (長井 長義; August 8, 1844 – February 10, 1929) was a Japanese doctor of pharmacy and chemist. He is best known for the discovery of ephedrine and methamphetamine.