12 Facts About Alexander Ollongren

Alexander Ollongren was a Dutch scientist and academic who was professor emeritus at Leiden University.

Alexander Ollongren served on the Advisory Council of METI.

Alexander Ollongren was born on 9 November 1928, on a coffee plantation in Kepahiang, in the southwestern part of Sumatra, Netherlands East Indies.

Alexander Ollongren's father, Alexander Ollongren, was born in Kyiv in Kiev Governorate, and was of mixed Finnish and Swedish descent.

Alexander Ollongren was a member of the Finnish noble family Allongren.

The family stayed in Australia for six months in order to recuperate and later moved to the Netherlands where Ollongren decided to enroll in Leiden University.

Alexander Ollongren married Gunvor Ulla Marie Lundgren, a Swede, in 1965 in Jonkoping.

Alexander Ollongren died in Oegstgeest on 25 March 2025, at the age of 96.

Alexander Ollongren then returned to the newly created Department of Applied Mathematics at Leiden University, and in 1968, became a lecturer in numerical mathematics and computer science.

In 1980, Alexander Ollongren became a Full Professor of computer science at Leiden, specializing in the semantics of programming languages.

Alexander Ollongren was a member of several societies of computer science; astronomy, including the International Astronomical Union; and astronautics.

Alexander Ollongren developed a new version of Lincos, a universally comprehensible language based on logic for the purpose of communication with extraterrestrial intelligence.