The Holocaust Memorial Center on Tuesday received a $15 million gift, the largest single charitable donation in its history, to be put toward creating a permanent endowment to support the Farmington Hills center for years to come. The gift from the Zekelman family and Zekelman Industries — Zekelman Industries is North America’s largest independent steel pipe and tube manufacturer — will go to the Holocaust Memorial Center's $100 million Comprehensive Campaign, which will fund its endowment. “We are truly humbled by and grateful for the continued generosity of the Zekelman family and Zekelman Industries. This $15 million donation is significant...