Despite India's rapid economic development, the burgeoning world power is still struggling to overcome a number of public health issues, with cultural mores making women's health an even more difficult obstacle to surmount. This has led to over 300 million Indian women not having access to safe menstrual hygiene products.

Fortunately, India is also home to many of the world's brightest entrepreneurs, such as Arunachalam Muruganantham. Upon learning his wife had been using old rags as menstrual products, this inventor became determined to develop an effective alternative—even when his wife left him and his neighbors started calling him a pervert. 

Sources: Al Jazeera