David Terr's Website



“Fibonacci Expansions and ‘F-adic’ integers,” The Fibonacci Quarterly, v. 34, 1996

“On the Sums of Digits of Fibonacci Numbers,” The Fibonacci Quarterly, v. 35, 1996..

A Modification of Shanks’ Baby-Step Giant-Step Algorithm,” Mathematics of Computation, v. 69, 2000

Here's a copy of my resume

History of Space Travel

Oct. 4, 1957
The USSR launches Sputnik 1, the world's first artificial satellite.

Jan. 31, 1958
Explorer 1, the first American satellite, is launched.

Apr. 12, 1961
Vostok 1 cosmonaut Yuri Gagaran becomes the first person to leave the earth's atmosphere and orbit the earth.

May 5, 1961
Mercury astronaut Alan Shepard becomes the first American in space.

Feb. 20, 1962
Mercury astronaut John Glenn becomes the first American to orbit the earth.

June 15, 1963
Vostok 6 cosmonaut Valentina Tereskova becomes the first woman in space.

Mar. 18, 1965
Voskhod 2 cosmonaut Aleski Leonov performs the first EVA (space walk).

Mar. 16, 1966
Gemini 8 astronauts Neil Armstrong and David Scott perform the first space docking (with the Agena satellite).

Dec. 24, 1968
Apollo 8 astronauts Frank Borman, James Lovell, and William Anders become the first people to orbit the moon.

Jan. 16, 1969
Soviet spacecrafts Soyuz 4 and Soyuz 5 become the first two manned spacecrafts to dock in space.

July 20, 1969
Apollo 11 astronauts Neil Armstrong and Buzz Aldrin become the first people to walk on the moon.

Apr. 19, 1971
Russian Salyut 1 is launched, becoming the first space station.

July 30, 1971
Apollo 15 astronauts David Irwin and James Scott become the first people to ride on the moon, aboard the lunar rover.

May 25, 1973
American Skylab 2 is launched, becoming the first American space station.

July 17, 1975
American Apollo 18 spacecraft and Soviet Soyuz 19 spacecraft dock, the first docking between American and Soviet spacecraft.

July 20, 1976
American Viking 1 Lander becomes the first (unmanned) spacecraft to perform a soft landing on Mars.

Apr. 12, 1981
STS-1, the first space shuttle mission, is launched. The Columbia shuttle is piloted by astronauts John Young and Robert Crippen.

June 18, 1983
Space Shuttle Challenger crew member Sally Ride becomes the first American woman in space.

Jan. 28, 1986
Space Shuttle Challenger explodes 73 seconds after launch, killing all seven crew members.

Feb. 19, 1986
The first piece of Soviet orbital station Mir, containing living quarters, is launched.

Apr. 24, 1990
The Hubble Space Telescope is deployed from Space Shuttle Discovery.

Dec. 13, 1993
The first Hubble Space Telescope repair servicing mission is performed.

July 4, 1997
American Mars Pathfinder lands on Mars. One day later it deploys the Sojourner, a six-wheeled robot designed to collect and analyze rock samples.

Mar. 23, 2001
Russian space station Mir is de-orbited and breaks up in earth's atmosphere.