Henry B.Phillips graduated from Erskine College with a bachelor's degree in 1900 and received his doctorate in 1905 from Johns Hopkins University under Frank Morley From 1905 to 1907 he was an instructor at the University of Cincinnati. He then became an instructor at the Massachusetts Institute of Technology in 1908 and remained there the rest of his career. Phillips became chairman of the mathematics faculty from 1934 to 1947 and was retired in 1947. As part of the pre-World War II American mathematics academia, Phillips was recognized as a superior teacher in a generation when most mathematicians' role was teaching-primarily training students of the physical sciences. He authored a number of textbooks on topics primarily in analytic geometry and classical analysis that were very widely accepted as standard textbooks of the era. His research was primarily in differential equations and vector analysis. Phillips was awarded an honorary doctorate (LLD) in 1939 and a 1918 Fellow of the American Academy of Arts and Sciences. He taught the calculus sequence at MIT for nearly 30 years, his lectures becoming famous there for their great balance of rigor and applications. Karo Maestro is the founder and editor of Blue Collar Scholar/Createspace publishers. He was a distinguished undergraduate student as a double major in mathematics and biochemistry whose poor health and personal tragedies prevented completing graduate studies. Unbowed and undaunted, he plans to return to ultimately obtain a PhD in pure mathematics before dying. His company, Blue Collar Scholar is committed to making high quality sources of mathematics-both original works and reprints-available widely and inexpensively to students of all backgrounds.