<Tr> <Th> Occupation </Th> <Td> Experimental physicist </Td> </Tr> <Tr> <Th> Title </Th> <Td> Doctor </Td> </Tr> <Tr> <Th> Family </Th> <Td> Beverly Hofstadter (mother) Alfred Hofstadter (father) Michael Hofstadter (brother) Unnamed sister Floyd (uncle) Nancy (aunt) </Td> </Tr> <Tr> <Th> Spouse (s) </Th> <Td> Penny </Td> </Tr>

Who did leonard dated on big bang theory