Thomas Woolston Chauncey Wright Elizur Wright Michael Wright (Owenite) () Clement Writer Wilhelm Max Wundt Christian Ernst Wünsch (see :pl:Christian Ernst Wünsch) Charles-Adolphe Wurtz Grigorio Nicolaievich Wyrouboff X Augustin Louis de Ximénès () Y Percival Macleod Yearsley ( see this at UCL) Edward L. Youmans William Jay Youmans Francis Younghusband Z Giuseppe Zanardelli Israel Zangwill Francisco Zarco ( see :es:Francisco Zarco) Eduard Zeller Gustav Zerffi Heinrich Ernst Ziegler ( see :de:Heinrich Ernst Ziegler) Theobald Ziegler Georg Theodor Ziehen Helen Zimmern Émile Zola Manuel Ruiz Zorrilla Charles Zueblin Luigi Zuppetta ( see :it:Luigi Zuppetta) References Names in A Biographical Dictionary of Modern Rationalists Names in A Biographical Dictionary of Modern Rationalists Rationalists