page_title: Alexander Ollongren
hierarchical_section_title: Alexander Ollongren
caption_attribution_description: Nederlands: Portret van de Nederlandse sterrekundige en informatica-pionier Alexander Ollongren. English: Portrait of the Dutch astronomer and informatics pioneer Alexander Ollongren.
context_page_description: Jhr. Alexander Ollongren is a professor emeritus at Leiden University. He serves on the Advisory Council of METI.
context_section_description: Jhr. Alexander Ollongren (born November 9, 1928) is a professor emeritus at Leiden University. He serves on the Advisory Council of METI (Messaging Extraterrestrial Intelligence).
caption: Portrait of Alexander Ollongren, by Janus Nuiten
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