About the Author

Tom Schenk Jr. is the Director of Analytics for the city of Chicago. He also maintains the Data Nouveau website at www.datanouveau.net. Tom has written numerous scholarly articles on data visualization, education, and economic research. He has emphasized the use of data visualization techniques in governmental reports. Previously, he was an Educational Consultant for the Iowa Department of Education and Senior Analyst at Department of Medical Social Sciences at Northwestern University.

I am forever indebted to my parents, Tom and Julie.

About the Reviewer

Gentle Yang is a crossover developer with focus on SNS, Mobile Internet, Bioinformatics, Genomics, and also data visualization in several areas such as SNS data, social events data, and charity community data. Gentle Yang is currently the senior engineer at TCL, responsible for TCL cloud platform and open API projects. He received his B.S. degree in Computing and Information Science at NEFU in Harbin (2007), where he read computing math, computer science, and Bioinformatics. Before joining TCL, Gentle Yang was a Bioinformatics Software Engineer at BGI, which is the world's biggest genome sequencing center, and he focused on Bioinformatics application building, data analysis for the genome project, and data visualization in Bioinformatics and Genomics.

Thanks to the author of Circos, Krzywinski Martin.