Peter
Created page with "{{Person |Names=Willem H. Verhoef |Birth date= |Birth place= |Death date= |Death place= |Countries= |Affiliations=Tektronix; |Wikidata id= }} {{MissingBio}} {{Documents|Author=Bill Verhoef}} {{Designer|Bill Verhoef}} {{Patents|Willem H. Verhoef}} Category:Tektronix people"