Who are the oldest members in the forum

Beginner Questions
1

Hi,

Need two helps …

  1. who are the oldest members in the forum ?
    is it possible to search the forum to find this ? how ?

  2. Who has the highest no of posts in the forum ?

I saw one user here has posts more than 5000…is he having the highest no posts ?
is it possible to search forum to find the fact ? how ?