<nowiki>Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; profesor universitario; universitetslærer; professeur d'université; professore universitario; dosen; universitetslærar; universitetslærer; Nederlands natuurkundige; universitetslärare; Hochschullehrer; academydd; yliopisto-opettaja; Dutch physicist and rector (1926–1998); أستاذ جامعي; Universiteit onderwyser; fisiko hulandes; Jan Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; J.J.M. Beenakker; J. Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; Joannes Joseph Maria Beenakker; J.J.M. Beenakker; J. Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker; J.J.M. Beenakker; Joannes Joseph Maria Beenakker; Jan Beenakker; Jan Beenakker; Jan Beenakker</nowiki>