[1] Nathan Isaac Falk was born in Baltimore, Maryland, in 1898 to Lithuanian Jewish parents.
[6] In the 1920s Falk moved to New York, where he drew illustrations for various newspapers and magazines, on subjects ranging from health tips to anti-Nazi political satire.
[7][8] He also illustrated book covers, including for the long-running Tom Swift[9][10] and Don Sturdy[11] series.
[1][14] It covered virtually all U.S. animation studios in existence at the time[15] and included a foreword by Paul Terry, the founder of Terrytoons and creator of such characters as Mighty Mouse.
[19][20] The couple had two sons, the military historian Stanley L. Falk and the physicist David S.