Stoycho PanchevStoycho Panchev Valchev was a Bulgarian meteorologist and fluid dynamicist, and a professor of Sofia University.page ISSP / ИФТТ"> His book on turbulence is used as the standard text in the field of turbulence.BiographyStoycho Panchev was born in Lisec in Lovech. He obtained his bachelor's degree from Sofia University and completed PhD at Bulgarian Academy of Sciences. He was also a visiting professor of Colorado State University.Books*