References

1. 'Applications of the Absolute Differential Calculus' by A. J. McCONNELL.
2. 'Tensor Analysis' by I. S. Sokolnikoff (Second Edition, 1964).
3. 'An Introduction to Tensor Calculus and Relativity' by Derek F. Lawden

In this essay J is used to implement some of the material contained in these references.

For convenience, the terminology of cosmology is used in some descriptions.

In a search for insight into how the electromagnetic field tensor might be calculated, the Riemann-Christoffel tensor is calculated using Einstein's tensor as the metric tensor.