T. was born on 21 March 1895
in New York, America. His parents were Bessie and Boris
Thomashefsky. He completed public school and a five-class
high school. He learned art painting at Columbia
University, and Yiddish studies with a tutor.
As a child he acted in his
father's play "Dos pintele yid" and in Goldfaden's "Di
kishufmakherin", ("Heyse bobkelen").
In 1913 Sh. was a manager of
his father's visit to Europe, and in 1917 participated
together with his father and Kessler in Lillian's
"Kinder kumt aheym", in which he alone wrote a
role for himself. Later, as an assistant director for his father,
he traveled with him to Argentina and Brazil, where he
had performed as a "fat comic", acting afterwards and
managed his father in Toronto as he also did
during his tour across America with the play "Shteyger-protses"
and in the Metropolitan Opera in Philadelphia. In
1929-30 he acted in Gabel's Public Theatre. In 1931-32
he was manager in his father's Lyric Theatre, and in
1932 in his father's Gaiety Theatre.
On 7 February 1920 there was
staged T.'s play "Parlor, Floor and Basement, a comedy
in 3 acts, music by Milton and Harry Thomashefsky". He
also wrote an English sketch. On 10 February 1931 in New
York's Selvin? Theatre there was staged his English
verse from his father's operetta, "Di khznte", also
named "Di singing rabey (The Singing Rabbi)".
T. also draws plans for
decoration and caricature for English journals.
-- "Meyn lebens-geshikhte", pp. 228-29.
Jacob Kirschenbaum --
"Neye pnim'er oyf unzer bihne, "Morning Journal", N.
Y., 4 February 1927.