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Clark N.

Allston, MA


Physics and Mathematics tutor, Harvard-trained with NASA experience

Replies in 59 minutes
Background check passed as of 12/17/13
4.8 Avg. Rating
301 Ratings
59mins Response Time
Excellent tutor, very encouraging!
— Desiree, Chestnut Hill, MA on 1/27/13

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University of Maine
Harvard Graduate School of Education
University of Houston
Graduate Coursework


University of Maine (Physics)

Harvard Graduate School of Education (MEd)

University of Houston (Graduate Coursework)

About Clark

I am an experienced high school physics and mathematics teacher, retired, with current Massachusetts certification in both areas. I have taught various levels of mathematics--through calculus--as standalone courses and as part of the content of physics courses, so I have a range of pedagogical strategies to employ in these areas. I am very much aware of the challenges many students face in their early encounters with these subjects, and work to build confidence as well as proficiency.

Prior to my teaching career a lifelong interest in--and deep affection for--mathematics and physics led me to wonderful adventures as an aerospace engineer. While a NASA employee on the Apollo Project, I made extensive use of algebra and calculus in the development of orbital rendezvous techniques. Later on I participated in the design of the space shuttle and the development of the first GPS operating software, so I have an informed perspective regarding both teaching and application of the relevant disciplines.

On-line tutoring seems to work well for properly prepared students. "properly prepared" in this context means that the student is able to use the Google Chrome browser, has downloaded and enabled the latest version of Java, and has audio and visual capability on their computer.

Clark is out of the country from June 15 to July 15th, but will be available on line to schedule activities for the 2015-16 school year during this period. He will be available for limited on-line lessons (he will be +6 hours ahead of EDT while out of the country} and resume his normal schedule beginning July 16th.
I am an experienced high school physics and mathematics teacher, retired, with current Massachusetts certification in both areas. I have taught various levels of mathematics--through Read more

12 hours notice required

Minimum charge for a lesson is 1 hour.

Travel Radius
Travels within 20 miles of Allston, MA 02134
Background Check: Passed

"Excellent tutor, very encouraging!"

- Desiree, Chestnut Hill, MA on 1/27/13

"Brilliant and patient. Very attentive ~ responds immediately via email and phone."

- Judy, Waltham, MA on 6/13/15

"Excellent math & physics tutor! "

- Grace, Brighton, MA on 9/24/14

"Great tutor!"

- Malvika, Lexington, MA on 5/11/14

"Outstanding tutoring."

- Ranjay, West Newton, MA on 12/17/13

"Very professional and extremely good tutor."

- Diane, Cambridge, MA on 12/17/13

"Excellent tutor!"

- Elisabeth, Somerville, MA on 12/10/13


- Serra, Cambridge, MA on 10/8/13

"Thorough Tutor"

- Monique, Woburn, MA on 4/17/13

"Rare find."

- Lis, Watertown, MA on 3/14/13

"Great and reliable tutor!"

- Agi, Roslindale, MA on 2/2/13

"Best tutor ever!"

- Emma, Chestnut Hill, MA on 2/2/13

"A mentor"

- Rehana, Watertown, MA on 1/2/13

"Great experience!"

- Joyce, Lexington, MA on 10/11/11

"Exceeded Expectations/Great Notes"

- Kris, Boston, MA on 9/1/11

"Great Tutor"

- Melanie, Boston, MA on 4/27/11

"Great tutor"

- Tom, Cambridge, MA on 1/27/11

"Clark N. Tutor Review"

- Thomas, Queen Creek, AZ on 11/12/10

"Great Tutor"

- Jessica, Concord, MA on 8/31/10
Test Preparation:

Approved subjects are in bold.

Approved subjects

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Algebra 1

Algebra 1 introduces the concept of symbolic representation of numbers whose value is unspecified, and also the basic notion of relations between sets of numbers specified by a recipe called a "function." Operations upon and between functions provide a basis for discovering important properties of relations, properties of number sets, and methods of representation. The axioms and common understandings of Algebra 1 are common to all other algebras, such as vector algebra, and are therefore the essential foundation for all further study in mathematics.

Algebra 2

Algebra 2 skills, including factoring, finding roots, solving sets of equations and classifying functions by their properties, are a necessary foundation for trigonometry, pre-calculus, calculus and linear algebra. Particularly important are operations with exponents and an understanding of the definition and properties of logarithms.


While growing up I was an active amateur astronomer, and I have taught this subject at the introductory level. I have the good fortune to be married to a professional astronomer who occasionally involves me in her work on symbiotic star systems.


Calculus is one of the three legs on which most mathematically-based disciplines rest. The other two are linear algebra and the stochastic systems (statistics), which come together in advanced courses. Everyone intending to pursue studies in basic science (including life sciences), engineering or economics should have a good foundation in introductory calculus.


This qualification statement refers to MCAT mathematics and physics content. The physics topic questions of the MCAT reflect introductory-level non-calculus physics content, while the mathematics material is at or below the level of advanced high school algebra. These topic areas are therefore well within the ambit of content mastery required by my Massachusetts secondary teacher certification in math and science. I have both taught and tutored this material over a 20 year career as an education professional in high school and introductory college-level physics and mathematics.

Additionally, I have had a great deal of experience in application of this content during a 30-year career as an aerospace engineer.


I did not really begin to appreciate the genius of Isaac Newton until I was asked, as a young NASA employee, to code a computer program to solve orbital rendezvous problems. To this day I am overwhelmed whenever I think of his gifts to us.

Mechanics is the basis of physics, physics is the basis of most fields of application, particularly in engineering. In addition to fundamental concepts, the study of physics develops the ability to think mathematically, and apply mathematical methods to many problems of interest, including outside of physics.


Pre-calculus is the gate-keeper course for transition to calculus, and is therefore as important as calculus itself for those intending or needing to study higher mathematics. Typically it includes a review of basic algebra topics; various types of functions--including trigonometric and polynomial; series; limits; and an introduction to vectors. Most troubles with introductory calculus are traceable to an inadequate mastery of algebra and trigonometry.


As noted above, trigonometry is usually encountered as a part of a pre-calculus course. In my view, much of the traditional material associated with trigonometry should be replaced by an introduction to the linear algebra of vectors, which provides alternative methods of solving many of the problems encountered in trigonometry, and is much more generally useful.

University of Maine
Harvard Graduate School of Education
University of Houston
Graduate Coursework


University of Maine (Physics)

Harvard Graduate School of Education (MEd)

University of Houston (Graduate Coursework)

Excellent tutor, very encouraging! — I contacted Clark at the beginning of fall semester for assistance on my Calculus I course. I lacked the basics to understand and be able to succeed in the class but with Clark's patience and constant encouragement I was able to pass and actually understand Calculus. He is a wonderful tutor and a great person in general. I would highly recommend him to anyone I know. Honest, helpful, and encouragi ...

— Desiree, Chestnut Hill, MA on 1/27/13

Hourly fee

Standard Hourly Fee: $50.00

Cancellation: 12 hours notice required

Minimum charge for a lesson is 1 hour.

Travel policy

Clark will travel within 20 miles of Allston, MA 02134.

Background Check Status for Clark N.

Clark N. passed a background check on 12/17/13. The check was ordered by Clark through First Advantage. For more information, please review the background check information page.

After sending a message to Clark, you will be able to order a new background check for $7.99. As part of your tutor selection process, we encourage you to run updated background checks. Please also review the safety tips for hiring tutors.