Some basics on
David Endicott Putnam:
b. Jamaica Plains, Mass. 10 Dec 98
Joined French Air Service in April 17 (age 18) after dropping Harvard
Wings in October, assigned to LFC and joined SPA.94 at year end. Shortly to MS.156. June 1918 to SPA.38.
Commissioned in USAS that month, to 103rd PS as acting CO (age 19!). By the end of June he was with the US 139th. KIA 12 September and buried near Toul beside Lufbery. Putnam had at least 29 claims of which 13 were confirmed Confirmations were 4 with MS.156 (I assume he flew SPADs with the squadron, despite the designation); 5 w/SPA.38, and 4 with 139th.