How to put author image and author's name in 2 columns?

Can you link me to the page in question?

Sure.

I've added the link.

check the author box at the end of the post.

I want to remove underlines only there in the Author box while keeping the same everywhere else.

Add this CSS:

.author-box a {
    text-decoration: none !important;
}

Thanks. It worked.

No problem :)