Prof. Kellog to Speak Tonight

Professor O. D. Kellog of the Mathematics Department will give the fourth of his series of lectures on "The Calculus of Variations" at the Physical Conference tonight at 8 P. M. in room 39 of the Cruft Laboratory. The special subject will be "Several Independent Variables, Applications." Professor Kellog is the author of a number of works on subjects of higher mathematics. The Conference is open to members of the University.