Answer the following question: What key details about tim callahan -lrb- american football -rrb- can be extracted from the following bio? Bio: john timothy callahan -lrb- march 29 , 1895 -- ? -rrb- was an american football player . he attended preparatory school at the phillips academy in andover , massachusetts , and then enrolled at yale university . he played college football at the guard position for the yale bulldogs in 1916 and 1919 to 1920 , and was a consensus first-team selection on the 1920 college football all-america team . his education at yale was interrupted during world war i by service as a pilot in the naval aviation corps . he was stationed at newport , rhode island , and later in south america , before being discharged in 1919 . callahan was captain of the 1920 yale bulldogs football team while his brother henry '' mike '' callahan was captain of the 1920 princeton tigers football team .
Answer:
- position is guard- death date is unknown- college is yale university- playing years is 1916 , 1919 -- 1920- birth date is 29 march 1895- playing team is yale bulldogs- name is tim callahan- image is tim 10 1919 . jpg callahan the fort wayne journal gazette fri oct- birth place is lawrence , massachusetts