German mastering, lacquer and DMM cutting engineer.
Started in 1981 with TELDEC-Studio, Hamburg, where he operated in cutting room 1 (and occasionally helped out in room 2).
Can be identified by an etched ℇ1 or ℇ2 or ℇN (always ed) in the runouts. Do not use ℇ in the BAOI fields but E.
The E stands for Elsner and the number for cutting room 1 or 2 in Hamburg and the N for Nortorf.

E1: 1981 - 1983 - lacquer cuts.
Please credit:
Lacquer Cut At - Teldec-Studio, Hamburg
Lacquer Cut By - Achim Elsner with ANV E

E1: 1984 - DMM cuts.
Please credit:
Mastered At - Teldec-Studio, Hamburg
Direct Metal Mastering By - Achim Elsner with ANV E

E2: 1982 - 1984 - DMM cuts.
Please credit:
Mastered At - Teldec-Studio, Hamburg
Direct Metal Mastering By - Achim Elsner with ANV E

After the mastering / cutting was terminated in Hamburg in mid 1984, he was working in Nortorf at Teldec-Press GmbH, where he used "EN" in the runouts.
These DMM only cuts can be identified by EN or DMM EN.
Please credit:
Mastered At - Teldec Press GmbH
Direct Metal Mastering By - Achim Elsner + ANV E

In 1985 he started to work at Sonopress in Gütersloh.