Perfect for PhD students or research fellows over the summer...
If anonymity is an issue, we could do this with just the lower part of your face exposed (with a suitable "aaargh!" expression)
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[s]In July of this year I shall be walking 78 miles in 6 days in aid of the Joseph Salmon Trust, a charity founded by my friends in memorial to their son Joseph who died aged 3 in April of 2005. Please look at the link below for further details and consider sponsoring me. Thank you.
Donate: http://www.justgiving.com/thedaleswalk (please mention 'Oli' in the comments when donating)
http://www.thejosephsalmontrust.org.uk [/s]