Icon Design

Susan Kare was the original Icon designer for Mac... this is how she produced the logos.

http://blogs.plos.org/neurotribes/2011/11/22/the-sketchbook-of-susan-kare-the-artist-who-gave-computing-a-human-face/

An idea of the production of her icon designs....

Apple

Note: this is a paintbrush. :) 

And how they progressed 

Icons and interaction

An in depth talk from, Jon Hicks, on how and why you should use icons and how to design them. This has given me a better understanding of how they guide people through the process of an application, device or webpage and what look you should aim to give them.

http://dl.dropbox.com/u/23369/talks/Icons%20for%20Interaction.pdf

http://dl.dropbox.com/u/23369/talks/Icon-Design-Principles.pdf

Icons....