Always a good source of biographical information, obituaries get increasingly published. Some of these will be linked in this post.
An obituary for Commander Raymond P. Eyman, who served at NOAA 1915-1947.
An obituary for Jacob S. Eyman, Halstead, Kansas, d. June 29, 1916, and a record entry for Joseph L. Eyman,
El Dorado, Kansas, from “A Standard History of Kansas and Kansans”,
written and compiled by William E. Connelley, Secretary of the Kansas
State Historical Society, Topeka. Chicago: Lewis Publishing Company,
copyright 1918; transcribed 1997.