how to find last visited date?

Question

I have a table like

 

1 john 30-05-2016

2 scott 25-05-2016

3 john 05-05-2016

4 tig 28-05-2016

5 scott 22-05-2016

6 tig 30-05-2016

7 scott 29-05-2016

8 john 31-05-2016

9 tig 30-05-2016

how to find the last visited date of the each person?