约翰出生在新西兰的一个小镇上。他是一位很高很瘦,戴着一副黑框眼镜的初中数学老师。他很迷恋数学,在教学之余,总喜欢到因特网上找一些有趣的数学问题自己研究。虽然他只有一年的教学经验,但也许就是由于他对数学的专注和热情吧,当地一所著名的私立中学——格瑞玛河畔中学,聘 John was born in a small town in New Zealand. He is a tall, skinny, junior high school math teacher wearing black-rimmed glasses. He is obsessed with mathematics, in addition to teaching, always like to find some interesting mathematical problems on the Internet themselves. Although he has only one year of teaching experience, but perhaps because of his devotion and enthusiasm for mathematics, a famous private high school in the country