A ticket is good for one person. Access is offered for six lectures included in the Spring Lecture Series only. It is not valid for special lectures and events. All ticket sales are final, and the venue will make no refunds or exchanges. CHM reserves the right to control the ticket's time, place, and manner of distribution. The ticket holder understands and agrees that the venue and/or its affiliates may cancel, postpone, or limit seating capacity for certain or all events to which a ticket is purchased under this Agreement. No cameras or recording devices are allowed in the event. Silence all devices, such as cell phones, beepers/pagers, watch alarms, etc., before entering the museum to avoid interruption during the presentation. CHM reserves the right to amend or supplement the terms and conditions contained in this Agreement.