i dont think this has anything to do with logos but this is pretty sweet! minimalist fairy tale posters Menos es mas en diseño es todo y contar mucho con muy poco es la magia y poder de comunicación del diseño gráfico.
Shaun Tan wrote The Arrival which is a wordless graphic novel. The story portrayed by the detailed, imaginative, and interesting pictures is the web of several different immigrants, from the view points of refugees and immigrants.
The golden ratio should not need any introduction to those who have studied math and design in school. Some designers apply these mathematical concepts to come up with more visually appealing works. This infographic from companyfolders.com covers a few golden ratio facts: