Please Type or Use SGFT LEAD PENCIL or HEAVY riease Tyne or Use SOFT LEAD PENCIL or HEAVY INK PEN. Both available at Clerk’s Desk in Lobby. INK PEN. Both available at Clerk’s Desk in Lobby. — dif WESTERN UNION i + SENDING BLANK NO. WODS.-CL. OF Bvc, PO. OR COLL. CASH CHARGE TO TIME FiLED COLLECT WIGHT LETTER To___Mr. George A. Derbyshire March 20, 61 Add: Space Science Board, National Academy of Sciences, —_| “_ 2101 Constitution Avenue, Washington 25, D.C. _question of the COSPAR' n_Interest and must be carefully examined Send the above message, subject fo the terms on the back hereof, which are hereby agreed to PLEASE TYPE OR WRITE PLAINLY WITHIN BORDER—DO NOT FOLD Sender’s Name and Permanent Address Room Number 1275 (r10-57) JOShua Lederberg 4 We Department of Genetics Stanfard Madical fantar. Bala Alen fall faent a Bir WESTERN UNION gi 4 NO. WDS.°CL, OF avc, PO. OR COLL. CASH CHARGE TO TIME FILED COLLECT NIGHT LETTER 19 To dr. George A. Derbyshire ~ CONTINUATION 2 Address . | of Sclences of the USSR. | Inform you that | have sto Intentions | to partake In the COSPAR Meeting and Symposium which will take | place In Florence In April. The only reason of it Is that | am todo | busy now and truly to say | can't afford myself to have such a | pleasant trip. | hope that you will attend the International | Blochem! st ry Congress In Moscow and 1 shall have a pleasure to Send the above message, subject to the terms on the back hereof, which are hereby agreed to PLEASE TYPE OR WRITE PLAINLY WITHIN BORDER—DO NOT FOLD Sender’s Name and Permanent Address . Room Number 1275 (R10-57} J. Lederberg, cont. 2 . Please Type or Use SOFT LEAD PENCIL or HEAVY Both available at Clerk’s Desk in Lobby. fije WES TERN UNION gi 4 SENDING BLANK NO. WDS,-CL. OF BYC, PD. OR TOLL. CASH CHARGE TO TiME FILED COLLECT NIGHT LETTER Address —ferusaliasky, To_we.—-George A._Derbyshi re, CONTINUATION 3 19 _.Jd.Lederberg INK PEN. Send the above message, subjecf to the terms on the back hereof, which are hereby agreed to PLEASE TYPE OR WRITE PLAINLY WITHIN BORDER—DO NOT FOLD Sender’s Name and Permanent Address 1275 (R10-57} J. Lederberg, cont. 3 Room Number