soleus engine, jim garvin. -- so ladies and gentlemen, jim garvin up [inaudible] >> i'm just going to give one second opening. the echo is, i feel like i'm at a u2 concert but anyway, a brief opening. this will be a science update, both looking back at what we do now and looking forward. we have four distinguished panelists. i can attest to you what they have to say will be compelling. we are going to run through their presentations in about a seven to 10 minute presentation per member of the panel, and then we will have questions. so first, religious in which member of our commuting and p5 for the maven mission, a critical step as we move forward for mars but also i must add one of our most distinguished chair people who care to include some of the transitions have gotten us to the program where today. on it personal, thanks for that. he's a professor at university of colorado and associate director. next after him is paul mahaffy, danceable investigator on the service analysis at mars and local payload, return to that mode of exploration for the first time since viking. not the poll