Meyer Rosenbaum (1910-2003) was the spiritual leader of the Kehilla Adath Israel and the self-proclaimed Chief Rabbi of Cuba from 1948 to 1958, when he left for Venezuela, then Guatemala, and New York.
Rosenbaum left in 1933 for Palestine, where he learned in Hevron Yeshiva (Jerusalem).
He received his rabbinic ordination in 1936, making him Isamar's only son who did not become a Hasidic rabbi.
In 1937, he moved to New York and in 1948 Rosenbaum arrived in Cuba on a charity collection mission for the Israeli Irgun.
Tajkemoni was an Orthodox yeshiva-type school with an enrollment of about 80 Ashkenazi pupils.