Prior to 1884, some countries utilized local âprime meridiansâ to establish their coordinate systems within their country and around the world. 1  In order to have any x,y system of coordinates, as latitude and longitude are, there must be a starting place for both the north-south and the east-west axes.
Anna Willett is a senior environmental business professional with deep technical knowledge, extensive management and operations experience, and a background in increasing the use of innovative environmental technologies. â¢ Expertise in chemical and biological treatment processes for contaminated soil and water.
Anna Krylov. Anna Krylov is the Gabilan distinguished professor in science and engineering and a professor of chemistry at USC, working in the highly specialized area of theoretical and computational quantum chemistry. Her research is focused on theoretical modeling of open-shell species and electronically excited species.