Rabbi Haskel Lookstein (born March 21, 1932) is an American Modern Orthodox Rabbi who serves as the Rabbi Emeritus of Congregation Kehilath Jeshurun on the Upper East Side of Manhattan. Lookstein served as the Rabbi of Congregation Kehilath Jeshurun from 1958 through 2015 and as the principal of the Ramaz School from 1966 through 2015.Lookstein started first grade at the Ramaz School in 1937, the year it was established by his father, Rabbi Joseph Lookstein, who was then senior rabbi of Congregation Kehilath Jeshurun. The school was named in honor of Joseph Lookstein's grandfather-in-law and predecessor in the pulpit, Rabbi Moses Zevulun Margolies. Wikipedia
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