Regarding Leucht's Jewish communal work, his great grandson, Bill Rosen, in a nostalgic letter detailing his own departure from New Orleans after Hurricane Katrina, wrote that during his great-grandfather's years in New Orleans, Leucht "started or helped develop every major Jewish institution of his time - he built Touro Synagogue, laid the corner stone of Touro Infirmary and worked ten years to develop the Newman School," institutions that continue to service New Orleans.
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