Background
Cratty, Robert Irvin was born on February 5, 1853 in Butler Company, Pennsylvania, United States. Son of William and Martha (Hirsch) Cratty.
Cratty, Robert Irvin was born on February 5, 1853 in Butler Company, Pennsylvania, United States. Son of William and Martha (Hirsch) Cratty.
Public schools and private study.
Teacher in public schools, Illinois and Iowa, 1875-1895. Farming, 1895-1918; curator botanical department, Iowa State College, since 1918. Has made extensive collections of Iowa and Minnesota plants.
Fellow Iowa Academy Sciences (president, 1925-1926). Member Iowa Conservation Association, Sigma Xi, Osborn Research.
Married L. East. Canon, April. Married second, Minneapolis, Minnesota, Mistress. Children: Mabel Estelle, Edna Roberta (Mistress C. B. Murtagh), Alta Medora (Mistress C. West. Moore), Ralph William.