1992 Death Ephraim Katz, Israeli/US encyclopedist (film encyclopedia), dies 1771 Death Claude A Helvetius, French encyclopedist (L'esprit), dies at 56 1764 Death Francesco Algarotti, Italian earl/encyclopedist, dies at 53 1713 Birthday Denis Diderot, France, encyclopedist, Dictionnaire Encyclopedique 1217 Death Alexander Neckum de Sancto Albano, English encyclopedist, dies at 59 1157 Birthday Alexander Neckum/de Sancto Albano, English theologist/encyclopedist
