<nowiki>Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; Roger Gaudry; químico canadiense; কানাডীয় রসায়নবিদ; chimiste canadien; Kanada keemik; químic canadenc; kanadischer Hochschullehrer und Chemiker; Canadian chemist; Canada karimba ŋun nyɛ doo; chimist canadian; כימאי קנדי; Canadees scheikundige (1913-2001); ceimiceoir Ceanadach; Canadian chemist; químico canadense; Canadian chemist; كيميائي كندي; kimist kanadez; kimiko kanades</nowiki>