Leon Ong Chua (/ˈtʃwɑː/; Chinese: 蔡少棠; pinyin: Cài Shǎotáng; Wade–Giles: Ts'ai Shao-t'ang; Pe̍h-ōe-jī: Chhòa Siáu-tông; born June 28, 1936) is an American electrical engineer and computer scientist.

[4] Thirty-seven years after he predicted its existence, a working solid-state memristor was created by a team led by R. Stanley Williams at Hewlett Packard.

[5][6] Alongside Tamas Roska, Chua also introduced the first algorithmically programmable analog cellular neural network (CNN) processor.

[7] A first-generation Filipino-Chinese-American, Chua and his twin sister grew up as members of the Hokkien Chinese ethnic minority in the Philippines[8] under the reign of the Empire of Japan during World War II.

He briefly taught at Mapúa for a year,[10] before emigrating to the United States on a scholarship to the Massachusetts Institute of Technology, where he earned an MSEE degree in 1961.