In "The Magic Numbers of Dr. Matrix", Martin Gardner introduces us to this extraordinary man, Dr. Irving Joshua Matrix. Believed by many to be the greatest numerologist who ever lived, Dr. Matrix claims to be a reincarnation of Pythagoras. He was, however, completely unknown to the scientific community until Gardner wrote about him in "Scientific American" in 1960.That first report and the subsequent ones that appeared with each new encounter are collected here in their entirety. We follow Dr. Matrix as he roams the world and assumes new identities and discovers new manifestations of the power of numbers to explain and predict and entertain. Always at his side is his beautiful Eurasian daughter, Iva, who abets and protects her father in each new adventure. As you delve into "The Magic Numbers of Dr Matrix", you will master some significant combinatorial mathematics and number theory. The many remarkable puzzles of Dr. Matrix are all clearly answered in the back of the book, together with commentary and references by Gardner to enlighten the uninitiated and entertain the inquiring reader.

马丁·加德纳（Martin Gardner，1914年10月21日—2010年05月22日），美国数学家和著名的数学科普作家。1936年毕业于芝加哥大学，学的专业是哲学。毕业后先当《民友报》记者，后来在芝加哥大学公众关系部工作。第二次世界大战爆发后，他在美国海军中担任随军记者，曾到过印度、菲律宾、东南亚、土耳其与中、近东许多国家和地区，见闻甚广。战后，他开始了自由撰稿人的生涯。据不完全统计，已写了五十本以上的书。曾多次获得过重奖。他的肖像曾在《生活》杂志及《新利周报》上刊登过。