Trying to ID the maker

[Beachloan]

Can anybody tell me who made this, what the handle is made of and how I can stop it from continuing to crack?

http://s1347.photobucket.com/user/Beachloan/media/004_zps6e727be2.jpg.html?sort=3&o=1
http://s1347.photobucket.com/user/Beachloan/media/002_zps0294c342.jpg.html?sort=3&o=2
http://s1347.photobucket.com/user/Beachloan/media/005_zps00d19115.jpg.html?sort=3&o=0
http://s1347.photobucket.com/user/Beachloan/media/001_zps230f7cb1.jpg.html?sort=3&o=3

 

[Burl Source]

The handle material is a cross section piece of ivory that is separating along the growth rings.