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Mona Ackerman, 66, advice columnist for Huffington Post

Dr. Mona Ackerman in 2005.

Bill Cunningham/New York Times

Dr. Mona Ackerman in 2005.

NEW YORK — Mona Ackerman, whose experience as a clinical psychologist informed a weekly ­advice column for The Huffington Post, died Wednesday in Manhattan. She was 66.

The cause was ovarian cancer, said Richard Cohen, her longtime companion and a Washington Post columnist.

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Dr. Ackerman ran a private practice on the Upper East Side of Manhattan before a meeting with ­Arianna Huffington led to ‘‘Dr. Mona Knows,’’ a question-and-answer column. The format was more narrative device than ‘‘Dear Abby”; Dr. Ackerman at times wrote the questions along with the answers.

Topics included coping with the death of a child; a psychological profile of Bernard L. ­Madoff; and appraising Dr. Phil’s therapeutic credentials.

Her treatment for cancer forced her to end the column in 2009, but she wrote occasionally online for The Daily Beast.

Mona Riklis was born in Tel Aviv to Judith and Meshulam Riklis, who became a billionaire by pioneering leveraged buyouts and junk bond deals.

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