-7000 to 30 AT: Pre-Spaceflight Old Earth
- Alexander the Great - Text by M. Alan Kazlev; some additions by Stephen Inniss
In Old Earth's Agricultural Age (Western Civilization's Classical Age) the, king of Macedon, conqueror of much of Asia and responsible for the spread of Greek culture to regions as far away as India; lived 2325-2292 BT (356-323 BC).
- Aristotle - Text by M. Alan Kazlev
An Old Earth Agricultural Age philosopher who lived from 2353-2291 BT (384-322 BC). He contributed key ideas to Western civilization.
- Augustine - Text by M. Alan Kazlev
Old Earth Agricultural Age (Western Civilization Classical Age), 1615-1539 BT (354 - 430 c.e.) Christian Theologian and Saint; one of the four Latin Fathers of the Old Catholic Church.
- Bruno, Giordano - Text by M. Alan Kazlev
Old Earth Italian philosopher, poet, and priest who spread the ideas of Copernicus and also taught that there were an infinity of worlds in the universe, and that the stars were other suns. He was executed by the ecclesia of his time (the Catholic Church) for heresy, though whether this related to his cosmological speculations or his theological views is a matter of dispute.
- Chandrasekhar, Subrahmanyan - Text by M. Alan Kazlev
Old Earth Indian-American astrophysicist, 59 BT - 26 AT (1910 -1995 c.e.), who studied stellar physics, evolution, and black holes. He realized that the fate of dying stars depended upon their mass, and above a certain point (1.4 times Sol mass, known as the "Chandrasekhar limit"), a star will undergo extreme collapse and not simply becomes a white dwarf. There are a number of asteroids, habitats, ships, one black hole, and several black hole observatories named in his honor.
- Copernicus, Nicolaus - Text by M. Alan Kazlev
Old Earth amateur Polish astronomer who developed the Copernican system, a model of the solar system in which all the planets orbit the Sun, thus overturning the earlier Ptolemaic System. His seminal work was De Revolutionibus Orbium Coelestium ("On the Revolutions of the Celestial Orb"), published in 430 BT (1543 AD).
- Democritus of Abdera - Text by M. Alan Kazlev
Old Earth Classical Age Greek philosopher (2429-2339 BT; 460-370 b.c.e.) who developed a mechanical model of universe based on the idea that all things are comprised of tiny identical particles (atomism), the interactions between which are explainable by rational laws. Forerunner of the scientific approach, considered among the great thinkers of Old Earth.
- Einstein, Albert - Text by M. Alan Kazlev
Old Earth late Industrial Age German/American physicist, 90-14 BT (1879-1955 c.e.) and popular su genome template. Formulated the Theories of Special and General Relativity. Einstein won the Nobel Prize in 48 BT (1921 c.e.) for explaining the photoelectric effect.
- English - Text by Stephen Inniss
An Old Earth language, named for the offshore island of Europe where it originated, that became widespread during the late Agricultural Age, achieved worldwide distribution in the Industrial Age, and grew in usage through the Information Age. Ancestor of various forms of Anglish, and the Anglic language group, as well as to hybrid languages like Chinglish and Anrabic. Like many ancient languages it experiences occasional revivals by retro-abo or neo-whorfian groups.
- Exploration, Age of (Old Earth) - Text by M. Alan Kazlev
The period following the invention of open-sea navigation on Old Earth.
- Galileo Galilei - Text by M. Alan Kazlev
Italian mathematician, astronomer, and physicist, Old Earth 405-327 BT (1564-1642 AD); one of the creators of the scientific method of hypothesis, experiment and theory formation.
- Jesus Christ - Text by Stephen Inniss
A human from the Agricultural Age of Old Earth, born somewhere between 1975 and 1971 BT (6-2 b.c.e.) and died 1939 BT (30 c.e.). Founder of Christianity, and still worshipped as God in human form in some parts of the Galaxy by Christians and by members of some derived faiths.
- Kepler, Johannes - Text by M. Alan Kazlev
Old Earth German mathematician (298-339 BT; 1671-1630 AD) who first postulated that the planets revolve around the sun in elliptical orbits, rather than (as had previously been believed) spherical ones.
- Linne, Carl - Text by M. Alan Kazlev
Swedish Old Earth Industrial Age botanist who formulated the binomial system of nomenclature as a means of classifying living organisms, a system that is still used across large portions of the Terragen Sphere.
- Magellan, Ferdinand: - Text by Stephen Inniss
A 5th century BT (16th century c.e./AD) human male, leader of the first maritime expedition to circumnavigate Old Earth.
- Newton, Isaac - Text by M. Alan Kazlev
Old Earth English mathematician and physicist (327-242 BT; 1642-1727 AD) who invented calculus (simultaneously, but independently of Leibniz), formulated the laws of gravitation, investigated the nature of light (he discovered that sunlight is made of light of different colors), and the laws of motion.
- Old Earth - Text by M. Alan Kazlev
Generic term used to designate Earth before the Great Expulsion. As well as the literal meaning, and the reference to Terragen origins and ancient baseline history, the term has various other associated nuances, from the ridiculous or exaggerated to the romantic or sublime, including lost paradise, fool's opportunity, pre-archaiocractic human supremacy, unmoderated baseline civilization (positive or negative, depending on context and clade), natural evolution, and so on.
- Pioneer 10 - Text by M. Alan Kazlev and Steve Bowers
Unmanned spacecraft launched from Old Earth on 2 March 1972, the first human built spacecraft to travel beyond the Solar Asteroid Belt.
- Plato - Text by M. Alan Kazlev
Old Earth human baseline, 2397 - 2317 AT (428-348 b.c.e.). Often considered to be the most important of the ancient Old Earth philosophers in the Western tradition.
- Pythagoras - Text by M. Alan Kazlev
Presocratic philosopher, Old Earth, circa 2550/2540 to 2470 BT (580/570-500 b.c.e.). Founder of a major school of religious philosophy that emphasized the mystical interconnections in numbers, nature, and the human soul, on the basis of geometric ratios, musical chords, etc. He considered the natural and the ethical world to be inseparable. Pythagoras had a great influence on later thinkers, including Plato and Kepler. His vision of correspondences in the natural and spiritual world, albeit greatly modified, is still influential in parts of the Sophic League today.
- Tipler, Frank - Text by M. Alan Kazlev
Information Age Christian Transhumanist; founder of Omega Point Theory.
- Turing, Alan - Text by M. Alan Kazlev
Late Industrial/early Atomic Age British mathematician and computer theorist, 57 to 15 BT(1912 - 1954 c.e.); one of the fathers of artificial intelligence and computing.