Franz Kafka (3 July 1883 – 3 June 1924) was an influential German-language author of novels and short stories who is regarded as one of the great writers of the 20th century. The term "Kafkaesque" has entered the English language to describe surreal situations reminiscent of those in his writing.
Mary Wollstonecraft (1759-97) Writer, feminist and philosopher, first woman to articulate the gap between the rights of man and rights of women. In 1792 she wrote her book, A Vindication of the Rights of Woman, which is still a powerful tract today. Her daughter, of course, was Mary Shelley, the famous author of Frankenstein
George Sand (1804-1876): writer, feminist, and muse for Chopin, Flaubert and Proust. Secondary to her more significant achievements, Sand caused scandal in Paris by wearing clothes traditionally intended for men and smoking tobacco. http://en.wikipedia.org/wiki/George_Sand