Google has a tool that allows you to check how much an advertiser should pay, if they were buying your name. Here is what a few people are worth according to Google.
Keywords Avg. CPC hubble $0.37 - $0.56 barrack obama $1.29 steve jobs $0.66 larry page $0.63 vincent granville $0.60 bill gates $0.45 ricky gervais $0.42 tina fey $0.36 sarah palin no data
To check your Google value, click on https://adwords.google.com/select/TrafficEstimatorSandbox and enter your name as a keyword.