adi shankar acharaya

see image

http://www.google.co.in/imgres?imgurl=http://www.nandhi.com/images/adisankara.jpg&imgrefurl=http://www.nandhi.com/adishankara2.htm&usg=__gTqeRVmWIrHwSCJVaoMDOnMJSwk=&h=288&w=201&sz=7&hl=en&start=1&zoom=1&um=1&itbs=1&tbnid=rBRRZzoA39sZqM:&tbnh=115&tbnw=80&prev=/images%3Fq%3Dadi%2Bshankara%26um%3D1%26hl%3Den%26client%3Dfirefox-a%26sa%3DX%26rls%3Dorg.mozilla:en-US:official%26biw%3D1024%26bih%3D565%26tbs%3Disch:1&ei=uGVWTY_kD8bCcdW32ZsN