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TO THE MOST SERENE PRINCE

AND LORD,

LORD,

FREDERICK,

LANDGRAVE OF HESSE, PRINCE

A Landgrave (German: Landgraf) was a sovereign prince of the Holy Roman Empire, holding a rank equivalent to a Duke.

OF HERSFELD, COUNT OF KATZENELNBOGEN,

original: "Cattimeliboci." This refers to a prominent historical county in the German Rhineland.

DIETZ, ZIEGENHAIN, NIDDA AND

SCHAUMBURG,

etc. etc.

OF THE UNIVERSITY OF MARBURG

original: "Academiae Marburgensis." Founded in 1527, this is the world's oldest Protestant-founded university, where Wolff taught after being exiled from Halle.

MOST MAGNIFICENT RECTOR,

original: "Rectori Magnificentissimo." This is the traditional title of honor for the head of a university. As the sovereign, Frederick held this title while a "Pro-Rector" typically handled daily administration.

Rational Psychology