I am so glad to have found a great infographic of Project management history. I particularly like: it starts with the pyramid builders (arguably a bit late, but refreshingly early), include Karel Adamiecki, and comes pretty much up to date.
Interior Design Idea - Use Color To Define An Area // within an office, bright yellow walls, floor and ceiling clearly defines the area, while the interior designers have used a teal floor color to outline a casual seating area that surrounds the kitchen.
10 Tips for Successful Scrum Implementation - a nice visual on how agile development works. This is on particular method, but the foundation principles are the same. Stand out for me - listen to user stories to determine priorities.