Vidinli Tawfik Pasha. en Vidinli Hseyin Tevfik Pasha Ottoman statesman and mathematician Author of Linear Algebra tr Vidinli Hseyin Tevfik Paa Osmanl devlet adam ve matematiki Lineer Cebir kitab yazar arsiv itu edu tr htm Photographer's name is unknown The subject died in the date is before births deaths Births in Vidin Ottoman