Mathematics is one of the most basic -- and most ancient -- types of knowledge. Yet the details of its historical development remain obscure to all but a few specialists.
Ivor Grattan-GuinnessNon-Newtonian calculi... have considerable potential as alternative approaches to traditional problems.
Ivor Grattan-GuinnessIt [ non-Euclidean geometry ] would be ranked among the most famous achievements of the entire [nineteenth] century, but up to 1860 the interest was rather slight.
Ivor Grattan-Guinness