[PAGE 1]
SUBJECT: Cronologisal Rolationship with Dr. Frank R. Olson

I first mct Dr. Frenk R. Clson at Cp Detrick chrinz the sonth of lay l945 at which tiro he was a corissiond officer in the Amy, assigmd to the classifiod ressarch projact at this station. Drins the perioi of lay l93 to ay l04 I was also assiged to this oject es a coissiomd officer. Dr. Clson's work during this tire was minly in the fiold of aerobiolo and Tas assimed to another division. I was not in closo contact, in the aboto priod of tine, with Dr. Olson eithor proossionally or socially.

Fron lay l9i to Sopteabor ls45 I was assigind to tho Vigó Plant, Indiana Chenical Corps Inotallation, during which tim I had no contact with Dr. Olson.

ly nett ccntect was made aftor ry.reassignront to Ceip Datrick in October 945. Pron Cetoier l5 to Septmber ls50, Dr. Glson was assind to the Aorobiolog: Eranch in the Fysical Dofemno Division of the Clo Blological Inboratories. In thas casacity ho was not clcsaly associniod with me professincally; karever, wa had nuerous social contacts.

In Soptorbor l050 Dr. Olson joinad iho nesly forod S0 Division of which I was Chiof. His first assipncent to this Division was to tako charge of thoplannins, training and intelligonce activities. O Otobor l952 I as transferreà fron the SO Division to the Director's Office. Froa Cctobor l052 to April 1953 Dr. Olson assuzed ny duties in the S0 Division. In April l253 Dr. Vedu, Safety Dircctor of the Cnlc Biological Laboratories, reccended that Dr. Olson be. reliovd of his duties as Crief of So Division d to his health (ulcors). Lt Col DeCarlo wás then appointed Chief of So Divisien and Dr. Olson essmod tho dutios as Caief of Plans and Assessont Brarch. Ho continod this assigent up to ths dato of his death.

[PAGE 2]
SUBECT: Crozological telationship with Dr. Frank R. Olson (Contd)

Dr. Olson was consizared as an authcrity in he fisld of asrobiolo, a scicnes which wes developed censiderably durin; tho gears l93 to l953 at Caap Detriek, Both his superiors and suborlinates regarded hin as a higiy qualified scicntist in this field.

During Se yars I have knon N. Olson I have had nureus social contacts with hin and his faily, visiting, ofton at his hoze. le was alrays extrezely cheerfal, zoro than willina to help anyono in distress, ofton times noing'it a point to cheor not only his frienis but othors tho mare in a deprossod nooi. D. Olson enjoped an cecasionnl alccholic drinl: but did not indulge excossivoly. His gnoral stato of rind and outlook on life was alaaps that of oxtrono optinicn. lever vas theo mo insiontion of pessiisz.

Dr. Olson could ke clssified as a fily ran, takins preat intorest in his hozs and to activitios of his faily. He iabdeed in the ninds of. his children the nood of religion in life, rakdin; suro that they attended their Sulzy School regolaly and wonlù also encourage his frienis' chiliren to attend with thes.

15y last porsonal contast with Nr. Clson was on Novenbor 11, l05s,
at vhich tize !e brought his children to visit and pla with my children.
At this tine he appoared ncrral in all respcts and as cheerful as.ever. :

I had no personal contacts with Dr, Olson after tho experinont. I had first loarmed on londey, Hovember 25rd, le53, froa Lt. Col. Vincert Rurct that D. Oison had been eposed and was shosing spmptons of reastien.

O Tuesday, lovesbor 2sth, I was notificd that Dr. Olson was beingt en to lb York: City for treatment.

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[PAGE 3]
SUBJCCT: Chronological Relationship with D..Frank R. Olsen (Contd)

On Tednosiay, Novenber 25th, I was notifiod that condition was not serious and that recovery wąs expocted.

On Thursday evoninz, Novezbor 26th, I was notified that D=. Olson had returned to lha Yerk for futher treatzont.

On Friday, Novenbor 27th, I was notifiod that Dr. Clson was under treatzent anì that arrangemants wore bins nads for troatnent at a privato, institution in this area. (ashington, D.C.-Frederick, Md.) At approximataly 3 a.n. en Saturday, Novembor 20th, 1953, I was notified that Dr. Olson had loaed fro tho Ststlor Hotel.

At approxinately 5 a.s. sazo date I rocsined confirution that the leap,vas fatal,

I IEREEY CRTIFY TO S EST OF IY ROIEE THS THE ABOVE STAEITS A TE AD CSCT.