David Ben Bekker (1897-1956) was born Ben Menachem in Poland. He studied at the Bezalel School for Arts and Crafts in Jerusalem and at the Antokolsky School in Vilna.
The subject of this portrait was the first Jew to graduate from Yale University.
Sigmund Waterman (1819-1899) was born in Bruck near Erlangen, in Bavaria, Germany. He studied in the University of Erlangen before emigrating in 1840 to America, where he settled in New Haven.
Mayer Rachmiel Mises (1801-1891) was born in Lemberg. He was ennobled in 1881 by Franz Joseph I of Austria in recognition of his economic achievements.