Who is Brandon Daggerhart?

[Baz King]

And why does he get thanks in nearly every WotC 4e credits page?

 

[Jack99]

He is a guy who has a webpage called the Shadowfell iirc - or something.

 

[justanobody]

Used to have a webpage because it is currently an empty directory.

Index of /

http://www.enworld.org/forum/general-rpg-discussion/228403-keeper-shadowfell.html

 

[dragonlordofpoondari]

He's Ishmayl. Here's your answer ...
http://www.enworld.org/forum/general-rpg-discussion/228403-keeper-shadowfell.html