Natural inside San Francisco, apprenticed under Raphael Soriano among others, & within camera practice beginning in 1952, Koenig good primarily on the west coast and was virtually all notable for the project of the Case Study Houses No. 21 & 22 around 1960 and other steel houses. Two Xxi (a Bailey Home) & Xxii (a Schwartz Home) were constructed in striking, otherwise-unbuildable web sites.