The publication of Barnabas Calder’s Architecture: From Prehistory to Climate Emergency is significant. There are probably no more than a dozen key textbooks in circulation universities today th...

Systematic archaeology in the Malpai Borderlands begins with D. D. Gaillard’s (1896) map of the elevated Cloverdale Playa beachline in the San Luis Valley. During his involvement with the U.S.-Mexico International Border Survey, Gailard was drawn to this feature by local ranchers’ reports of a massive Native American dam. Familiar with the scale of prehistoric irrigation in the Phoenix Basin, h...

1. INTRODUCTION. The development of the famous Hardy inequality (in both its discrete and continuous forms) during the period 1906–1928 has its own history or, as we have called it, prehistory. Contributions of mathematicians other than G. are important here. In this article we describe some of those contributions. We also include and comment upon several facts and early proofs that are not ava...