Sexton, Roy Lyman 
Filed ; Belgian Congo 
Fehmary 18, 1955 
Dr. Eoy Lyman Sexton 
Suite iiUi, Washington Medical Building 
1801 B^e Street, N. W, 
^^ashington 6, D. C, 
Dear Dr. Sexton? 
I take great pleasure in appointing you a collaborator 
ox the Smithsonian Institution to serr© with the forthcming 
Smitiisonian-Bredin expedition to the Belgian Congo. lour 
presence as medical olXlc-er and olficial photograplier will 
greatly eahance the achieveEient of the membors of this 
expedition. 
The group, which you have so kindly consented to join, 
will assemble in Leopoldville on or about April lli and will 
return vis tim Egyptian Sudan, Cairo, and few York, to 
Washington about June m, for duration of the journey 
the ^iithsonian will assume the expense of your travel, 
subsistence and lodging, tiashis-gtori to Washington. 
I wisn here to express my sincere appreciation of the 
generous contribution of your personal time and effort to 
the success of the ejqsedltion. Hay it be all that we 
anticipate. 
Cordially yours 
Leonard Caroichasl 
Secretary 
feLS s vb 
