The Sum of All Fears (disambiguation)
The Sum of All Fears is a novel by Tom Clancy.
The Sum of All Fears may also refer to:
David Stevens (screenwriter)
David Stevens( 22 December 1940 – 17 July 2018) was an Australian writer and director, best known for his work on" Breaker Moran tA Town Like Alice, and" The Sum of Us"
Peter Levin
Peter Levin is an American director of film, television and theatre.
Kevin Dowling (director)
Kevin Dowling is an American film, television director and producer.
The Sum of Us (film)
The Sum of Us is a 1994 Australian comedy-drama film version of the play "The Sum of Us" written by David Stevens.
The film was directed by Kevin Dowling and Geoff Burton and stars Russell Crowe and Jack Thompson.
The screen adaptation mimics the play's device of breaking the fourth wall with direct to camera conversational asides by both Harry and Jeff.
John Dougall (mathematician)
Dr John Dougall FRSE (June 1867 – 24 February 1960) was "one of Scotland's leading mathematicians".
Two formulas are named Dougall's formula after him: one for the sum of a "F" hypergeometric series, and another for the sum of a bilateral hypergeometric series.
Digit sum
In mathematics, the digit sum of a natural number in a given number base is the sum of all its digits.
Fermat polygonal number theorem
In additive number theory, the Fermat polygonal number theorem states that every positive integer is a sum of at most- gonal numbers.
That is, every positive integer can be written as the sum of three or fewer triangular numbers, and as the sum of four or fewer square numbers, and as the sum of five or fewer pentagonal numbers, and so on.
Amicable triple
An amicable triple is a set of three different numbers so related that the sum of the divisors of each is equal to the sum of other two numbers.
In another characterization, an amicable triples is a set of three different numbers so related that the sum of the divisors of each is equal to the sum of the three numbers.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.

Question: Which country the director of film The Sum Of Us (Film) is from?
Answer: American