January 28, i952.

Dy. John W. Gowen
Genetica Department
Iowa State College
Ames, Iowa

Dear Dr. Gowen:

Tha: you for your very cordial invitation te variicipate in ths
forthcoming Biostatistics Conference. I regret that I must decline.

T2 T op: net phetalken, Or. Gxow hae alteady otmaunieated to Or.
Kempthorne eome suggestions for suitable alternative speakers on
microbiological population and genetic subjects. To these I should
lie to add Or, &. J. Ryan af Colu-ble University whe would bs rock
apt to presenting these tcpice in a form conducive to a linkage of
biology and bionetry.

Yours sincerely,

Joshua Leler bars
Associate Professor of Genetics