How did man and language originate?

<p>How did man originate this is a very complex and esoteric question which has been going on for centuries and it is being investigated day by day. &nbsp;Similarly there are many conjectures about the language but it is not known the search is going on continuously but only a little evidence of the script is probably found. &nbsp;Both these topics are very interesting and mysterious.</p><p>&nbsp;In this regard this book is presented to you some of which have been disclosed with some information. &nbsp;If you have more information than this please let me know thanks</p><p></p>