Alverez, Eduardo, Department of Vegetable Crops, University of California, Davis, California
Anderson, Edgar, Missouri Botanical Garden, 2315 Tower Grove Avenue, St. Louis 10, Missouri
Andes, J. O., Agriculture Experiment Station, University of Tennessee, Knoxville, Tennessee
Andrew, Wm. T., Department of Vegetable Crops, Southern Illinois University, Carbondale, Illinois
Andrus C. F., U. S. Regional Vegetable Breeding Laboratory, Box 177 St. Andrews Branch P. O., Charleston, South Carolina
Ar-Rushdi, A., Department of Zoology, University of Baghdad, Baghdad, Iraq
Barham, W. S., Department of Horticulture, N. C. State College, Raleigh North Carolina
Barton, D. W., Division of Veretable Crops, Agric. Expt. Station. Geneva, New York
Beadle, G. W., Division of Biology, Calif. Inst. of Technology, Pasadena, California
Bessey, Paul M., Department of Horticulture, University of Maine, Orono, Maine
Bishop, Charles J., Department of Agriculture, Experimental Station, Kentville, Nova Scotia
Bjorlykke, Borghild, Library, Agricultural College of Norway, Vollebekk, Norway
Bohn, G. W., Torrey Pines Hort. Field Station, La Jolla, California
Boswell, V. R., Plant Industry Station, Beltsville, Maryland
Bowers, J. L., Department of Horticulture and Forestry, University of Arkansas, Fayetteville, Arkansas
Brown, Ralph T., Plaquemines Parish Expt. Station, Diamond, Louisiana
Brown, S. Division of Genetics, University of California, Berkeley 4, California
Brown, Walter N., Department of Horticulture, University of Illinois, Urbana, Illinois
Bullard, E. T., Branch Experiment Station, University of Idaho, Parma, Idaho
Bardick, Alan, Department Biological Sciences, Purdue University, Lafayette, Indiana
Burnett, John H., University Department of Botany, S. Parks Road, Oxford, England
Butler, L., Department of Zoology, University of Toronto, Toronto 5, Canada
University of California, Genetics Division, Berkeley 4, California
Cannon, 0. S., Department of Horticulture, Utah State Agricultural College, Logan, Utah
Casseres, E, H., InterAmerican Institute of Agric. Sciences, Turrialbal, Costa Rica
Castronovo, Alfonsol, Department of Plant Pathology and Botany, University of Minnesota, St. Paul, Minnesota
Chanasyk, Victor, Department of Agriculture, Experimental Station, Beaverlodge 3 Alberta, Canada
Condit, Alson, W. Atlee Burpee Company, Santa Paula, California
Costa, A. S., Instituto Agronomico, Campinas, Est. S. Paulo, Brazil, S. A.
Couto, Flavio A. A., Escola Superior de Agricultura, Universidade Rural, Vicosa, Minas Gerais, Brazil, S. A.
Currence, T. M., Division of Horticulture, University of Minnesota, St. Paul, Minnesota
Dempsey, Wesley, Department of Vegetable Crops, University of California, Davis, California
Denby, Lyall, Experimental Station, Summerland Com., British Columbia, Canada
Dennett, R, K., Bodger Seeds Ltd. El Monte, California
Downes, J. D., Jr., Department of Horticulture, Michigan State College, East Lansing, Michigan
Elle, George O., Department of Horticulture, Texas Technical Colleges, Lubbock, Texas
Emmert, E. Department of Horticulture, Agricultural Experinent Station Lexington, Kentucky
Epps, W. M., Truck Experiment Station, P. 0. Box 158, St. Andrews Branch, Charleston, South Carolina
Everett, H. L., Department of Plant Breeding, Cornell University, Ithaca, New York
Flory, Walter S., Jr., Blandy Experimental Farm, Boyce, Virginia
Fogle, Harold W., Irrigation Expt. Station, State College of Washington, Prosser, Washington
Francis, F. J., Department of Horticulture, Ontario Agricultural College Guelph, Canada
Frazier W. A., Department of Vegetable Crops, Oregon State College, Corvallis, Oregon
Fryxell, Paul A., Department of Agronomy, New Mexico College, State College, New Mexico
Gabelman, W. H., Department of Horticulture, University of Wisconsin, Madison Wisconsin
Gallegly, M. E., Department of Plant Pathology & Bacteriology, West Virginia University, Morgantown, West Virginia
Garber, E. D., Department of Botany, University of Chicago, Chicago 37, Illinois
Gilbert, J. C., Department of Vegetable Crops, Agricultural Experiment Station, Honolulu, T. H.
Gottschalk, Werner, Max Planck- Institut fur Zuchtungsforschung, Gut Nehof, Post Leihgestern, Kreis Giessen/Lahn, Germany
Graham, K. M., Division of Botany and Plant Pathology, Department of Agriculture, Ottawa, Canada
Griffing, J. B., Department of Genetics, Iowa State College, Ames, Iowa
Griffiths, Francis P., Fruit and Vegetable-Products Lab., U. S. D. A. Box 388, Weslaco, Texas
Hafen, Leslie, Department of Horticulture, Purdue University, Lafayette, Indiana
Hardin, M., Geary, Oaklahoma
Hargrave, P. D., Provincial Horticultural Station, Brooks, Alberta, Canada
Harrison, A. L., Plant Disease Lab., Rt. 3, Yoakum, Texas
Helsel, Paul E., Associated Seed Growers, Inc., Franklin, Indiana
Holmes, F. O., Rockefeller Institute, 66th Street and York Avenue, New York 21, New York
Honma, Shigemi, Department of Horticulture, University of Nebraska, Lincoln, Nebraska
Hornby, C. A., Department of Horticulture, University of British Columbia, Vancouver, Canada
Horowitz, Ingo. Solomon, Catedra de Genetica, Facultad de Ing. Agronomica, Maracay, Venezuela
Huelsen A., Department of Horticulture, University of Illinois, Urbana, Illinois
Huskins, C. L., Department of Botany, University of Wisconsin, Madison, Wisconsin: (deceased)
Isbit, Arthur, Michigan State College, East Lansing, Michigan
Jacoby, Daniel, 383 Andrews Road, East Williston, L. I., N. Y.
Jenkins, J. A., Division of Genetics, University of California, Berkeley 4, California
John, C. A., H. J. Heinz Company, Bowling Green, Ohio
Johnstone, F. E., Jr., Department of Horticulture, University of Georgia, Athens, Georgia
Joubert, T. G., Pretoria Hor. Res. Station, P. 0. Box 994, Pretoria, Union of South Africa
Jucci, Carlo, Centro Di Genetica,Instituto DiZoologia, Universita Pavia, Pavia, Italy
Kemp, G. A., Experimental Station, Department of Agriculture, Lethbridge, Alberta, Canada
Kerr, E. A., Horticulture Experimental Station, Vineland, Ontario, Canada
Kihara, H., Laboratory of Genetics, Department of Agriculture, Kyoto, Imperial University, Kyoto, Japan
Kristensen, Reinh, Horticultural Plant Breeding Station, Toftoe, Taastrup, Denmark
Kurki, Lea, Horticulturists Association, Hallituskatu 14, Helsinki, Finland
Lamm, Robert, Statens Tradgardsforok, Alnarp, Akarp, Sweden
Larson, P. E., Department of Horticulture, Pennsylvania, State College, State College, Pennsylvania
Lesley, J. W., Division of Plant Breeding, Citrus Experiment Station, Riverside, California
Lesley, Margaret M., Citrus Experiment Station, University of California, Riverside, California
Lewis D., John Innes Horticultural Inst.,Bayfordbury, Hertfordshire, England
Locke, L. F., S. Great Plains Field Station, Woodward, Oaklahoma
Lorenz, Laverne, Isabella, Oklahoma
Layall, L. H., Department of Agriculture, Central Experimental Farm, Ottawa, Canada
Macfarland, C. S., Jr., American Tomato Yearbook, Big Scotch Plains Avenue, Westfield, New Jersey
McGuire, D. C., Department of Vegetable Crops, Agricultural Expt. Station, Honolulu 14, T. H.
Mai, W. F., Department of Plant Pathology, Cornell University, Ithaca, New York
Mariota-Trias, F., Agricultural Experiment Station, University of Puerto Rico, Rio Piedras, Puerto Rico
Mertens, Thomas R., Department Biological Science, Purdue University, Lafayette, Indiana
Mikell, J. J., Department of Horticulture, Agricultural Experiment Station, Baton Rouge, Louisiana
Mishanec, William, Division of Vegetable Crops, Agricultural Experiment Station, Geneva, New York
Mohamed, Mohamed Abdel Maksoud, Faculty of Agriculture, University of Ibrahim, Sheibin El-Kom, Egypt
Mohr, H. C., Department of Horticulture, Agricultural Experiment Station, College Station, Texas
Morrison, Gordon, Burgess Seed & Plant Company, Galesburg,, Michigan
Munger, H. M., Department of Plant Breeding, Cornell University, Ithaca, New York
National Institute of Genetics, Yata IIII, Misima, Japan
Nonnecke, I. L., Experimental Station, Lathbridge Com., Alberta, Canada
Odland, M. L., Department of Horticulture, Pennsylvania State College, State College, Pennsylvania
Orton, Jr., E. R., Department of Horticulture, Ohio State University, Columbus, Ohio
Ounsworth, L. M., Experiment Station, Harrow, Ontario, Canada
Paddock, Elton F., Department of Botany, Ohio State University, Columbus, Ohio
Pearson, 0. H., Eastern States Farmers Exchange, West Springfield, Mass.
Perry, B. A., Texas Agricultural Experiment Station, Substation 19, Winter Haven, Texas
Peto, Howard B., Peto Seed Company, P. 0. Box 3065, 1056 E. Front St., Ventura California
Plaisted, R. L., Department of Horticulture, Iowa State College, Ames, Iowa
Pollack, B. L., Department of Horticulture, Pennsylvania State College, State College, Pennsylvania
Poole, C. F. Department of Vegetable Crops, Agricultural Experiment Station Honolulu, Hawaii
Powers, L., Horticultural Field Station, Cheyenne, Wyoming
Reichstein, Frank A., Beloit Daily News, Beloit Wisconsin
Relyea, K. E., Farmer Seed and Nursery Company, Faribault, Minnesota
Reynard, G. B., Campbell Soup Company, Riverton, New Jersey
Richardson, Jr., R. W., Rockefeller Foundation, Londres 45, Mexico 6, D. F.
Richharia, R. H., Bihar Agricultural College, Sabour P. 0. (Bhagalpur) Bihar India
Rick, C. M., Department of Vegetable Crops, University of California, Davis, California
Rios, G. Mario, Gomez Farias No. 49-6, Mexico, D. F.
Robinson, R. W., 5324 N. Acacia Street, San Gabriel, California
Roever, W. E., West Tennessee Experiment Station, Jackson, Tennessee
Sawant, Anand C., Department of Vegetable Crops, University of California, Davis, California
Schermerhorn, L. G., Department of Horticulture, Rutgers University, New Brunswick, New Jersey
Schultz, J. H., Department of Horticulture, North Dakota Agricultural College, Fargo, North Dakota
Scott, Wilbur, Joseph Harris Company, Inc., Moreton Farm, Rochester 11, New York
Sen, Nirad K., Department of Botany, Presidency College, Calcutta, India
Shifriss, Oved, The Weizmann Institute of Science, Rehoveth, Israel
Singh, H. B., Division of Botany, Indian Agricultural Research Inst., New Delhi, India
Skirm, George W., F. H. Woodruff & Sons, Milford, Connecticut
Smith, James J., The Quaker Maid Company, Inc., Brockport Cannery, Brockport, New York
Smith, P. G., Department of Vagetible Crops, University of California, Davis, California
Soost, R. K., Citrus Experiment Station, University of California, Riverside, California
Stark, F. C., Jr., Department of Horticulture, University of Maryland, College Park, Maryland
Stevenson, E. C., Department of Horticulture, Purdue University, Lafeyette, Indiana
Taylor, J. Wm., LeGrand P. O., California
Tezier, Claude, Tezier Freres, 27 Ave. Gambetta, Valence Sur-Rhone, France
Thompson, A. E., Department of Horticulture, University of Illinois, Urbana, Illinois
Tomes, M. L., Department of Plant Pathology, Indiana Agric. Expt. Station, Lafayette, Indiana
Trotter, Allen R., Associated Seed Growers, Inc. Milpitas, Calif.
Walkof, Chas, Experiment Farm, Morden, Manitoba, Canada
Walter, J. M., Box 678, Vegetable Crops Lab., Bradenton, Florida
Watson, Ross D., Department of Plant Pathology, University of Idaho, Moscow, Idaho
Whaley, W. G., Department of Botany, Univ. of Texas, Austin, Texas,
Woolliams, G. E., Dominion Lab. of Plant Path., Department of Agriculture, Summerland, British Columbia
Yamashita, Kosuke, Yoshidi College, Kyoto Univ., Kyoto, Japan
Yarnell, S. H., U.S. Regional Vegetable Breeding Lab., U. S. D. A., Box 177 St. Andrews Branch, Charleston, S. C.
Yeager, A. F., University of New Hampshire, Durham, N. H.
York, Thomas L., Department of Plant Breeding, Cornell University, Ithaca, New York
Young, Harold W., Horticulture Department, Ohio State University, Columbus, Ohio
Young, P. A., Tomato Disease Lab., Rt. 4, Jacksonville, Texas
Young, Robert E., Field Station, University of Massachusetts, Waltham 54, Massachusetts
deZerpa, Ingo. Dora M., Catedra de Genetica, Facultad de Ing. Agronomica, Maracay, Venezuela