Keimpe Arnoldus Algra (born 5 April 1959) is a Dutch professor of Ancient and Medieval philosophy at Utrecht University.
Three years later he obtained his PhD with a dissertation on Concepts of space in classical and hellenistic greek philosophy.
[1] In 2003 he gave the Alfred Edward Taylor lecture at the University of Edinburgh.
[3] In 2004 Algra became member of the Royal Netherlands Academy of Arts and Sciences.
[4] He headed a KNAW committee which looked into the state of trust in Dutch science after a case in which Diederik Stapel had fabricated data, a report called Vertrouwen in wetenschap was published in May 2013.