Joseph Walsh's Formations Chair

Joseph Walsh is very developed when it comes to Designing in Wood. He can curve and contort the material so well you think it was plastic molded wood. It's amazing. His chair is very curvilinear, and though I've never tried {in which I wish I could} it is a very ergonomic looking chair. Cheers!

Source: Joseph via Yatzer

Padded Eames

If there is something I love, it's an Eames. Charles and Ray Eames were incredibly successful in chair design

Source: No source available but another blogger might have what you're looking for

If it's Hip, It's Here

AERO Lounge Chair by Charles Constantine

A nice very Architectural feel for a chair. I wonder if it's comfortable to sit in or will it need some cushions?

Source: Charles Constantine | Design Milk

Beautiful "Streamline" Chair by Benjamin Claessen

This Chair is very fluid and has the inspiration of car design inside of it.

{ what more could you want? Yeah I know, wheels might be too much :) }

Source: Benjamin Claessen (as of February 9, 2011 the site is blank.)

Source: Yanko Design

Sonet Butterfly Chair

An experimental chair by Gamper Martino for his 100 Chairs in 100 Days Exhibition
source: Gamper Martino