1 “... world-renowned historian of logic, whose contributions on Medieval and Modern logic...”

2 “...'s philosophy of science in a way that makes it more accessible and useful for social scientists and historians...”

3 “... in an academic field is a mark of Jan's achievement, but only of one aspect of it, for historians of philosophy...”

4 “... for analytical philosophers,historians of philosophy,linguists, epistemologists and computer scientists. The aim...”

5 “... been studied and translated many times before, with viewpoints from historians, military- and business...”

6 “... tomorrow’s agenda for philosophers and historians of logic and scientific method by taking as its starting...”

7 “... philosophers, math­ ematicians, logicians and historians of mathematics could exchange ideas pertaining...”