In Jerusalem

From the bottom of the sea

A ‘Ptil Tekhelet’ conference sheds new light on an old problem

A full century after it was published, the vision of Israel’s first Ashkenazi chief rabbi, Yitzhak Halevi Herzog, also known as Isaac Herzog, has come full circle. The definitive location of the source of techelet – the blue dye specifically used for tzitzit tassels on a four cornered garment such as a prayer shawl – is agreed upon, with the next stage to be the mass production, ecologically made in Israel.

About 150 years ago, the hassidic Radzyner Rebbe Gershon Chanoch Leiner was in Italy when he saw a marine animal, similar to a squid, that he deduced was the source of techelet.

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