Biographical Memoirs -- Copyright -- Contents -- Preface -- Robert Kyle Burns July 26, 1896-June 26, 1982 -- Selected Bibliography -- William B. Castle October 21, 1897-August 9, 1990 -- CASTLE'S EARLY LIFE -- SCIENTIFIC ACHIEVEMENTS -- INTRINSIC FACTOR, THE SPUR TO FAME -- LESSONS FROM THE TROPICS: SPRUE, IRON, AND SHOES -- HEMOLYTIC ANEMIAS -- THE VISCOUS CYCLE -- CASTLE'S INFLUENCE AS A TEACHER: THREE GENERATIONS OF TRAINEES -- HONORS -- PERSONAL PROPERTIES -- HIS LANGUAGE AND PHILOSOPHY -- A GIFT FOR GIVING -- NOTES -- Selected Bibliography -- Preston Cloud September 26, 1912-January 16, 1991 -- NOTES -- HONORS AND DISTINCTIONS -- Selected Bibliography -- Andre Frederic Cournand September 24, 1895-February 19, 1988 -- THE SHAPING OF AN INVESTIGATOR -- THE BREAKTHROUGH: CARDIAC CATHETERIZATION -- PHYSIOLOGICAL CONTRIBUTIONS WITH THE CARDIAC CATHETER -- ''A TIME FOR REWARDS''-PEER RECOGNITION -- THE UNRELENTING SCIENTIST -- "LATE BUDDING": TURNING TO BROADER ISSUES -- NOTE -- BIOGRAPHICAL DATA -- HONORS AND DISTINCTIONS -- Selected Bibliography -- Jacob Pieter Den Hartog July 23, 1901-March 17, 1989 -- HONORS AND DISTINCTIONS -- Professional Societies -- Honors and Awards -- Honorary Degrees -- Selected Bibliography -- Paul Hugh Emmett September 22, 1900-April 22, 1985 -- Selected Bibliography -- Kurt Otto Friedrichs September 28, 1901-January 1, 1983 -- PART I: LIFE -- PART II: WORK -- NOTES -- Selected Bibliography -- Herbert Spencer Gasser July 5, 1888-May 11, 1963 -- ORIGINS AND EARLY YEARS IN WISCONSIN -- JOHNS HOPKINS -- ST. LOUIS (1916-31) -- CORNELL UNIVERSITY MEDICAL COLLEGE (1931-35) -- THE ROCKEFELLER INSTITUTE FOR MEDICAL RESEARCH -- GASSER AS DIRECTOR OF THE ROCKEFELLER INSTITUTE -- RETIREMENT -- GASSER IN PERSON -- HONORS AND DISTINCTIONS -- Selected Bibliography -- David Rockwell Goddard January 3, 1908-July 9, 1985.

FAMILY BACKGROUND AND EARLY EDUCATION -- UNIVERSITY OF CALIFORNIA, BERKELEY -- ROCKEFELLER INSTITUTE -- ROCHESTER -- UNIVERSITY OF PENNSYLVANIA -- ADMINISTRATOR -- Selected Bibliography -- Charles Roy Hauser March 8, 1900-January 6, 1970 -- NOTES -- Selected Bibliography -- Clarence Leonard (Kelly) Johnson February 27, 1910-December 21, 1990 -- REFERENCES -- TECHNICAL PAPERS AND REPORTS -- HONORS AND AWARDS -- PATENTS -- Harold Lester Johnson April 17, 1921-April 2, 1980 -- WAR YEARS AND GRADUATE STUDIES, 1942-48 -- RESEARCH AT LOWELL, WASHBURN, AND YERKES OBSERVATORIES, 1948-59 -- AT THE UNIVERSITY OF TEXAS, 1959-62 -- AT THE LUNAR AND PLANETARY LABORATORY, UNIVERSITY OF ARIZONA, 1962-69 -- THE ARIZONA-MEXICO CONNECTION, 1969-80 -- HAROLD JOHNSON AS FRIEND AND COLLEAGUE -- EPILOGUE -- NOTES -- Selected Bibliography -- Tjalling Charles Koopmans August 28, 1910-February 26, 1985 -- Selected Bibliography -- Rowland Pettit February 6, 1927-December 10, 1981 -- NOTES -- Selected Bibliography -- Alfred C. Redfield November 15, 1890-March 17, 1983 -- Selected Bibliography -- John Milton Roberts December 8, 1916-April 2, 1990 -- NOTES -- Selected Bibliography -- Ernest Robert Sears October 15, 1910-February 15, 1991 -- EVOLUTION, PHYLOGENY, AND SYSTEMATICS -- GENETIC STRUCTURE OF POLYPLOIDS -- Aneuploids -- Wheat Genes -- CHROMOSOMAL MISDIVISIONS AND BREAKAGE -- ALIEN GENETIC VARIATION -- GENETICS OF MEIOTIC CHROMOSOME PAIRING -- CHINESE SPRING -- A CAREER IN WHEAT SCIENCE -- HONORS AND DISTINCTIONS -- Selected Bibliography -- Burrhus Frederic Skinner March 20, 1904-August 18, 1990 -- Selected Bibliography -- Lee Irvin Smith July 22, 1891-March 29, 1973 -- EARLY LIFE AND EDUCATION -- BUILDING ORGANIC CHEMISTRY AT MINNESOTA -- PERSONAL QUALITIES -- HIGHLIGHTS OF SMITH'S RESEARCH -- Selected Bibliography.