The History of Science Society is the largest American organization focusing on the history of science. The Society's website has many features of interest for members, prospective members and the general public. There are sections of the site that list current research, publications, meetings of note, and a full array of information about the organization, its leadership and members. The Guide to the History of Science is a searchable database with entries on institutions, associations and publications, as well as the names and information for nearly 5,000 practitioners of history and philosophy of science. In addition, there is a section with regularly updated information about the Society's annual meeting, which takes place in November. Visitors can sign up to be a member of the Society or renew their membership online. A list of employment opportunities in the history of science, as well as a list of grants and awards, are helpful for professionals in the field. Also helpful for these professionals are a set of materials to aid in the teaching of the history of science. Some parts of the site, such as the Research Libraries Group's History of Science and Technology Database (of printed materials), are only accessible to members.