An essential member of satirical magazine's 'Useful Gang of Idiots,' he created self-explanatory 'Snappy Answers to Stupid Questions,' amused fans for decades until retiring at 99

Cartoonist was inducted into Society of Illustrators Hall of Fame; his daughter says he fell ill last week, developed breathing problems, wasn't tested for coronavirus

Satirical publication was the home of numerous Jewish artists and writers over its 67-year run