Engineer
Isamu Akasaki
The blue LED, which made white LED lighting possible.
Isamu Akasaki was a Japanese materials scientist specializing in the field of semiconductor technology. He is best known for co-inventing the bright gallium nitride (GaN) p-n junction blue LED in 1989 and subsequently the high-brightness GaN blue LED as well.
- Born
- 1929-01-30, Chiran, JapanA Wednesday
- Died
- 2021-04-01, Nagoya, JapanA Thursday, aged 92
- At birth
- Sun in Aquarius, Moon in Libra
- Nationality
- Japan
- Birth-time source
- No birth time on record: Rodden X
Born
Died
At birth
Nationality
Birth-time sourceBirth Chart
1929-01-30, Chiran, Japan · time unknown, noon chart
Asia/Tokyothe zone used then
Asia/TokyoThe chart
| Body | Sign | Degree | Motion |
|---|---|---|---|
| Sun | Aquarius | 9°45′ | Direct |
| Moon | Libra | 11°45′ | Direct |
| Mercury | Aquarius | 24°18′ | Retrograde |
| Venus | Pisces | 26°19′ | Direct |
| Mars | Gemini | 21°01′ | Direct |
| Jupiter | Taurus | 2°29′ | Direct |
| Saturn | Sagittarius | 26°49′ | Direct |
| Uranus | Aries | 4°25′ | Direct |
| Neptune | Virgo | 0°33′ | Retrograde |
| Pluto | Cancer | 16°50′ | Retrograde |
Death Chart
2021-04-01, Nagoya, Japan · time unknown, noon chart
Asia/Tokyothe zone used then
The chart
| Body | Sign | Degree | Motion |
|---|---|---|---|
| Sun | Aries | 11°36′ | Direct |
| Moon | Scorpio | 28°10′ | Direct |
| Mercury | Pisces | 24°42′ | Direct |
| Venus | Aries | 13°05′ | Direct |
| Mars | Gemini | 16°31′ | Direct |
| Jupiter | Aquarius | 23°15′ | Direct |
| Saturn | Aquarius | 11°22′ | Direct |
| Uranus | Taurus | 9°01′ | Direct |
| Neptune | Pisces | 21°25′ | Direct |
| Pluto | Capricorn | 26°38′ | Direct |
Their Astrocartography
Where each planet sat on one of the four angles at the moment Isamu Akasaki was born. Tap a line to read what the tradition associates with it.
Cast for noon, as the birth time is unknown, so the longitudes are approximate.