I was talking about some Star Trek episodes with a friend the other day, and the name of René Echevarria came up. He wrote some fine scripts for both TNG and DS9, as this entry from
IMDb shows:
Star Trek: The Next Generation (16 episodes)
1. The Offspring (10 March 1990) - Writer (writer)
2. Transfigurations (2 June 1990) - Writer (writer)
3. The Minds Eye (25 May 1991) - Writer (story)
4. The Perfect Mate (25 April 1992) - Writer (story)
5. I, Borg (9 May 1992) - Writer (writer)
6. True Q (24 October 1992) - Writer (writer)
7. Ship in a Bottle (23 January 1993) - Writer (writer)
8. Face of the Enemy (6 February 1993) - Writer (story)
9. Birthright: Part 2 (27 February 1993) - Writer (writer)
10. Second Chances (22 May 1993) - Writer (teleplay)
11. Descent: Part 2 (18 September 1993) - Writer (writer)
12. Inheritance (20 November 1993) - Writer (teleplay)
13. Lower Decks (5 February 1994) - Writer (teleplay)
14. Eye of the Beholder (26 February 1994) - Writer (teleplay)
15. Firstborn (23 April 1994) - Writer (teleplay)
16. Preemptive Strike (14 May 1994) - Writer (teleplay)
Star Trek: Deep Space Nine (25 episodes)
1. Equilibrium (17 October 1994) - Writer (teleplay)
2. Past Tense: Part 2 (9 January 1995) - Writer (teleplay)
3. Improbable Cause (24 April 1995) - Writer (teleplay)
4. Explorers (8 May 1995) - Writer (teleplay)
5. Facets (12 June 1995) - Writer (writer)
6. Rejoined (30 October 1995) - Writer (story) (teleplay)
7. Crossfire (29 January 1996) - Writer (writer)
8. The Muse (29 April 1996) - Writer (story) (teleplay)
9. ...Nor the Battle to the Strong (21 October 1996) - Writer (teleplay)
10. Trials and Tribble-ations (4 November 1996) - Writer (teleplay)
11. The Begotten (27 January 1997) - Writer (writer)
12. A Simple Investigation (31 March 1997) - Writer (writer)
13. Children of Time (5 May 1997) - Writer (teleplay)
14. Behind the Lines (20 October 1997) - Writer (writer)
15. Statistical Probabilities (24 November 1997) - Writer (teleplay)
16. Honor Among Thieves (25 February 1998) - Writer (teleplay)
17. Afterimage (14 October 1998) - Writer (writer)
18. Chrysalis (28 October 1998) - Writer (writer)
19. Covenant (25 November 1998) - Writer (writer)
20. Chimera (17 February 1999) - Writer (writer)
21. Penumbra (7 April 1999) - Writer (writer)
22. When It Rains... (5 May 1999) - Writer (story) (teleplay)
23. The Dogs of War (26 May 1999) - Writer (teleplay)
He also appeared as an extra in these two DS9 shows:
* What You Leave Behind: Part 1 (2 June 1999) - Extra
* What You Leave Behind: Part 2 (2 June 1999) - Extra in final holodeck scene (uncredited)
The standouts here for me are his tirst, The Offspring (the wonderfully moving episode in which Data constructs a daughter), and Second Chances, when Will meets his double – a man who still loves Deanna.