A mixed cell reference is a combination of relative and absolute cell references. In spreadsheets, cell references are used in a variety of commands, charts, functions and formulas. Continue Reading.
Adolph Levis, Entrepreneur And Philanthropist, Dies at 89. Adolph Levis, the inventor of the Slim Jim dried meat snack, died on Tuesday in the Hospice by the Sea in Boca Raton, Fla. He was 89. Born in Philadelphia, Mr. Levis, who was known as Al, dropped out of school at 16 and began selling spices, pickles and condiments during the Depression.
â¢ Bette Graham's Story. â¢ The Life of Bette Nesmith Graham. Liquid Paper was invented by Bette Nesmith Graham, whose son Michael Nesmith was a member of the American rock group The Monkees. Bette Graham was 17 when she got a job at a Texas bank as a secretary, even though she didn't know how to type. She was young and energetic, and she worked.