(Courtesy of AFGE) (Courtesy of AFGE)

American Federation of Government Employees executive Dwight Bowman died unexpectedly Wednesday morning, according to the union.

The AFGE said it had little information about the labor leader’s passing as of Thursday morning.

Bowman was serving his third term as national vice president for the union’s 14th District.

“It is with great sadness that we say goodbye to a union brother, effective leader and dear friend,” AFGE president J. David Cox said in a statement. “Our thoughts are with his wife, Gwendlyn, and the rest of his family.”

Bowman had been an AFGE activist for nearly four decades, according to the union. He began his career as president of the organization’s Local 2463, which represents employees of the Smithsonian Institution.

Smithsonian workers were not protected by federal Equal Employment Opportunity and labor-relations laws or regulations at the time, according to the AFGE.

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