The $1 Visionary
Michaela Haas
When Martin Aufmuth, a math teacher in Erlangen, Germany, read in 2009 that hundreds of millions of people worldwide suffered from vision impairment but could not afford glasses, he could hardly believe it. “It was the book Out of Poverty by Paul Polak,” Aufmuth remembers, “I thought, ‘This can’t be... The post The $1 Visionary appeared first on Reasons to be Cheerful .