John âJackâ Fowler has been a busy radiation biology researcher and teacher. He has written 581 papers over the last 65+ years. Heâs also received nearly every honor the medical physics field can bestow. But Jack isnât done. He says itâs time he wrote a book. Jackâs upcoming book sums up the key concepts relating to optimum fractionation in radiation therapy that have interested him all these years. Just over 100 pages in length, this book is a quick, informative, and enjoyable read! Look for it this winter from Medical Physics Publishing.