Liberalism is also associated with the concept of individual tolerance. Locke, writing in the seventeenth century, focused on respecting alternative religious and political views, while Mary Wollstonecraft (1759–97) and Betty Friedan (1921-2006) argued for a toleration of men towards women, calling for an end to sexual discrimination. In the twenty-first century, individual tolerance has been extended towards gay and more recently transgender individuals, though transgender people in particular still face a great deal of discrimination