Ernestina Laura Herrera de Noble, the publisher of Argentina’s largest-circulation daily, Clarín, who was instrumental in turning her husband’s newspaper into one of the largest media conglomerates in the Spanish-speaking world, died on Wednesday in Buenos Aires. She was 92.
Grupo Clarín, a holding company founded in 1999, confirmed her death.
Ms. Herrera de Noble, a former flamenco dancer with no business experience, became an unlikely player in the country’s media landscape when she took over Clarín in 1969 after the death of her husband, Roberto Noble, who founded the tabloid in 1945.
Under her leadership, Clarín — bugle in Spanish — solidified its position as the country’s most widely read daily newspaper.
Alongside a group of close advisers, including the current chief executive, Héctor Magnetto, Ms. Herrera de Noble led an effort to diversify the business, buying newspapers, radio stations, and websites as it grew into the nation’s largest cable television and internet service provider. Most recently, the company bought the local subsidiary of Nextel in a bid to enter the mobile market.
Ms. Herrera de Noble was one of four controlling shareholders in the Clarín Group, which over the years became a political power player.
She “has long been underestimated because she was always presented as Noble’s widow,’’ said Martín Sivak, a journalist who wrote a book about Clarín that will be published in the United States next year. “Even though she was not a journalist by trade, I think she had instincts…