Cabinet officers

Postmaster General Robert E. Hannegan (at podium) speaks at a luncheon for the 25th anniversary of transcontinental Air Mail Service at the Waldorf Astoria Hotel in New York City. All others unidentified.

Postmaster General Robert E. Hannegan (second from left) and pilot E. Hamilton Lee (center) pose for a picture with unidentified men at the 25th anniversary of Airmail Service at the Waldorf Astoria Hotel in New York City.

Postmaster General Robert E. Hannegan (left) shakes hands with United Air Lines pilot and original Air Mail flyer, E. Hamilton Lee, at the 25th anniversary of trans coastal Air Mail Service at the Waldorf Astoria Hotel in New York City.

Second Assistant Postmaster General Gael Sullivan (left), Postmaster General Robert E. Hannegan (center), and Commissioner of Internal Revenue Joseph D. Nunan, Jr. on boarding stairs of TWA airplane.

Postmaster General Robert E. Hannegan reading mail at his desk.

Postmaster General Robert E. Hannegan reading mail at his desk.

Postmaster General Robert E. Hannegan (right) signs in at the Air Transport Command, Pacific Division, en route to Guam. Military man at left is unidentified.

Postmaster General Robert E. Hannegan plays golf while on vacation in Phoenix, Arizona.

Postmaster General Robert E. Hannegan (left) and Del Webb, owner of the New York Yankees, play golf in Phoenix, Arizona.

Postmaster General Robert E. Hannegan (right) and Del Webb, owner of the New York Yankees, play golf in Phoenix, Arizona.