R. Gwin Follis, 93, the former chairman and chief executive officer of Chevron Corp. who led its growth into the nation's ninth largest corporation, died of cancer Monday in San Francisco. He oversaw Chevron's expansion from a western U.S.-based concern to a worldwide presence in the oil industry.
Danny Liska, 66, an adventurer who chronicled his continental treks in several books, died Tuesday of leukemia in Bogota, Colombia, where he had lived since 1973. In 1959, the native of Niobrara, Neb., rode a motorcycle from Alaska to the southernmost tip of South America. He later traveled from the northernmost tip of Scandinavia to the southern tip of South Africa.