Brian Mason

About the editors RICHARD V. GAINES is a mineralogist and economic geologist. A former engineer of mines at Colorado School of Mines, he received his doctorate from Harvard University. H. CATHERINE W. SKINNER is a research scientist in the department of geology and geophysics and at the medical school, Yale University. EUGENE E. FOORD, recently retired from the United States Geological Survey, Denver, is a specialist in descriptive mineralogy who has described numerous new mineral species. BRIAN MASON joined the National Museum of Natural History, Smithsonian Institution, in 1965, and is Curator Emeritus in the department of mineral sciences there. ABRAHAM ROSENZWEIG was a member of the faculties of the University of New Mexico and Oberlin College, and was at the Los Alamos National Laboratory. He is a member of the board of directors and the editorial board of the Mineralogical Record.