Abstract This survey highlights some foundational history and some interesting recent discoveries in elementary geometry that deserve to be better known, such as the hierarchies of axiom systems, ...

WILLIAM MEADE WATERS, JR., Separation in Euclidean space: an intuitive introduction for informal geometry, The Arithmetic Teacher, Vol. 21, No. 5 (MAY 1974), pp. 458-461 ...

IT is interesting to compare the attitudes of the two most recent writers in English who deal with Euclidean geometry. Sir Thomas Heath, in the second edition of his three-volume translation of ...