USA. (THECOUNT) — Petra Mayer, a beloved books editor on NPR’s Culture desk, died on Saturday.

She died suddenly at Holy Cross Hospital in Maryland of what’s believed to be a pulmonary embolism, said Nancy Barnes, NPR’s senior vice president for news, in an email to staff.

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“Petra was NPR through and through,” Barnes wrote. “To say that Petra will be missed simply seems inadequate,” reports NPR.