Lyndon B. Johnson Lyndon B. Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th President of the United States from 1963 to 1969. Formerly the 37th Vice President of the United States from 1961 to 1963, he assumed the presidency following the assassination of President John F. Kennedy. A Democrat from Texas, Johnson also served as a United States Representative and as the Majority Leader in the United States Senate. Johnson is one of only four people who have served in all four federal elected positions.
George B. Johnson Aarhus, Denmark, in 1977. In 1980 he was promoted to Professor of Biology at Washington University, St. Louis, Missouri, a position he held until his retirement in 2004. He was also Professor of Genetics at the School of Medicine from 1981 to 2004. During the years 1987 to 1990 he served as founding Director of The Living World education center, St. Louis Zoo. Since 2004 he has continued at Washington University as Professor Emeritus of Biology. George B. Johnson Dr George B. Johnson (born 11 June 1942, Newport News, Virginia) is a science educator who for many years has written