LETTER 1947:
FROM WHITE HOUSE ADDRESSED TO MR. LEONARD LYONS DATED OCTOBER 20, 1947
MEASURES 9-1/4 X 6-1/4 WHITE HOUSE LETTERHEAD SIGNED BY PRESIDENTS SECRETARY MATTHEW J. CONNELLY
ENVELOPE 1947:
MEASURES 6-1/2″ X 3-5/8″ RETURN ADDRESS “THE WHITE HOUSE” POSTMARKED OCT. 20, 1947

LETTER 1951:
FROM WHITE HOUSE ADDRESSED TO MR. LEONARD LYONS DATED JULY 20, 1951 SIGNED BY PRESIDENTS SECRETARY JOSEPH SHORT
MEASURES 9-1/4 X 6-1/4 WHITE HOUSE LETTERHEAD
ENVELOPE 1951:
MEASURES 6-1/2″ X 3-5/8″ RETURN ADDRESS “THE WHITE HOUSE” POSTMARKED JULY 21, 1951

BIOGRAPHY AND INFO ON LEONARD LYONS:

Leonard Lyons (born Leonard Sucher; 10 September 1906, New York City; died 7 October 1976, New York City[1]) was an American newspaper columnist.

Leonard Sucher grew up in a large family of Jewish immigrants from the town of Horodenka in the Austro-Hungarian Empire. His father Moses, a tailor, died when he was six. His mother sold cigarettes and candy on the Lower East Side. He graduated from the High School of Commerce, where his classmates included Lou Gehrig. He graduated from the City College of New York and was in the first class of graduates from St. John’s University School of Law. He was admitted to the New York State bar in 1929, and practiced law for five years.

http://www.trumanlibrary.org/hstpaper/lyonsl.htm#top
BIOGRAPHICAL SKETCH FROM HARRY TRUMAN LIBRARY WEBSITE
1906 (September 10)
Born, New York, N. Y.
1924-1925
Attended City College of New York
1928
Received his Bachelor of Law degree from St. John’s University College of Law
1928
Admitted to the New York Bar
1929
Admitted to the Federal Bar
1929-1934
Practiced law in New York City
1934 (November 29)
Married Sylvia R. Schonberger
1934-1974
Wrote “The Lyons Den,” a syndicated column for the New York Post
1954-1968
Special Assistant Attorney General in New York
1976 (October 7)
Died, New York, N. Y.