Maharishi Mahesh Yogi ( 12 January 1918 - 5 February 2008 ) was born Mahesh Prasad Varma and obtained the honorific Maharishi ( meaning `` Great Seer '' ) and Yogi as an adult .
Maharishi Mahesh Yogi ( 12 January 1918 - 5 February 2008 ) was an Indian guru ( a teacher of spirituality ) .