"It is not that the L.D.P. lacks people who could enjoy popularity," said Masumi Ishikawa, a professor of politics at Niigata University of International and Information Studies.
Professor Tadao Tsubaki of Niigata University examined two patients in April and May 1965 and suspected Minamata disease.
The prefectural government, Niigata University, citizen's organisations and local people all worked together to uncover the cause.
He is presently a professor at Niigata University.
A native of Tsubame, Niigata she attended Niigata University (as both undergraduate and graduate), a language school in Bangkok, Thailand, and University of Bristol in England.
He began teaching English at Niigata University in Japan in 1995.
A school in Huế also began offering a course in 1993, but it closed in 2001; a course at Danang's University of Foreign Languages was found in a 2002 survey by Niigata University.
After graduating from Niigata University, he worked for a period as an elementary school teacher.
The first organ transplant in Japan took place at Niigata University in 1956 when a kidney was temporarily transplanted to a patient with acute renal failure.
He also taught at Niigata University, Chuo University, and United Nations University.