Susan Allison, 75 A longtime resident of Erie and Sewickley Heights, “Susie” Allison helped her husband, Craig, build a number of businesses, including Tollgrade Communications, which became one of Pittsburgh’s most successful public companies during the dot-​com boom under the leadership of their son Chris. She later devoted her energies to philanthropy, focusing…

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  • Issue Quarter Spring
  • Issue Year 2016
  • Sub Heading Noting the passing of Pittsburgh citizens
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