Data visualization-------Schematic "What's the Doctor?"

Translation: http://matt.might.net/articles/phd-school-in-pictures/

Use circles to represent all human knowledge:

After reading the elementary school, you have some basic knowledge:

After the middle school, you have a little more knowledge:

After completing your undergraduate course, you have a professional orientation:

After finishing your master's degree, you have yet another step in your profession:

Read a great deal of literature and get in touch with the forefront of this expertise:

Select a topic as the main direction:

Studied for several years on the main topic:

Finally, we have achieved breakthrough achievements:

You take a step forward in human knowledge and you become a doctor:

Now, the way you look at the world is different:

But don't forget to keep learning:

Data visualization-------Schematic "What's the Doctor?"