लेखक: Ronald W. W. Rebore

Angela L. E. Walmsley is an assistant professor at Saint Louis University located in Saint Louis, Missouri. She has been working in the field of education for approximately 13 years. In that time, she has taught middle school and high school mathematics both in the United States and the United Kingdom; she has taught introductory education courses and graduate-level advanced education and mathematics education courses at two universities in the Saint Louis area; and she is currently teaching statistical and educational research courses at Saint Louis University.Walmsley has a joint bachelor’s of science degree in mathematics and teaching from the University of Illinois at Urbana-Champaign; a master’s in education degree in mathematics education and a diploma in statistics from the University of Dublin: Trinity College in Dublin, Ireland; and a doctor of philosophy degree in curriculum and instruction with an emphasis on mathematics education and educational research from Saint Louis University. In addition, she holds teaching certificates for the states of Illinois and Missouri, as well as Northern Ireland in the UK.