Templeman, SIL, pp. 25, 26, 63. The Greater was called Mahāpadmavajra. His disciple was Anangavajra, whose own disciple was the Middle Padmavajra. The Later or Junior is identified with Padmasambhava.
There were three teachers of O rgyan with this name: 1. Senior: Anaṅgavajra. 2. Saroruha. 3. Junior: Padmasambhava. Stearns, TRP, p. 135, but see also p. 153, where it is secret name of Kāṇha.
The Path of Padmavajra means his Zab mo'i tshul dgu. Stearns, TRP, p. 162 & note.
Schaeffer, Crystal: Dngul sgong list no. 22 (Padma badzra); Gser sgong list no. 14; Shel sgong list no. 14; Brda'i man ngag list no. 31.
A figure by this name is depicted in the former Jucker collection painting (Kreijger, Tibetan Paintings, p. 67, column on your right, fourth figure).
As a member of the set of Eight Great Siddhas, there is a beautiful painting in Rubin item no. 515 (see Himalayan Art website).
Bibliography:
Advayavivaraṇaprajñopāyaviniścayasiddhi (Thabs dang shes rab rnam par gtan la dbab pa sgrub pa). This may be identical to Tôh. no. 2218, attributed to Yan lag med pa'i rdo rje, although this needs checking.
Contained in: Guhyādi Aṣṭasiddhi Saṅgraha, ed., Samdhong Rinpoche and Vrajvallabh Dwivedi, with a number of coeditors, Central Institute for Higher Tibetan Studies (Sarnath 1987), pp. 209-218 (Sanskrit text; no Tibetan text).
Bendall, Subhāṣita, pp. 39 42, 266. The colophon clearly states that it is the composition of Padmavajrapāda.
"Jñānapādīyavivaraṇaṃ śrīpadmavajrakṛtam." Kazuhiro Kawasaki, On a Birch-bark Sanskrit Manuscript Preserved in the Tibet Museum, Journal of Indian and Buddhist Studies, vol. 52, no. 2 (2004), pp. 903-905, at p. 51 (text no. 18).
[Slob dpon padma badzras mdzad pa'i] Bskyed rim zab pa'i tshul dgus brgyan pa, contained in: Sa skya slob bshad, vol. 11 (DA), folios 419-443, with commentary by Kong sprul in vol. 22 (WA), folios 301-333.
Buddhakapālatantratattvacandrikapañjikā (Sangs rgyas thod pa'i rgyud kyi dka' 'grel de kho na nyid kyi zla ba). Tôh. no. 1653. Dergé Tanjur, vol. RA, folios 150r.3-166r.7. Tr. by Ding ri Chos grags (?). Revised by Blo gros brtan pa.
Dergé colophon: 'di dag ni rnal 'byor ma'i rgyud bla na med pa sangs rgyas thod pa zhes bya ba rgyud kyi rgyal po'i le'u gnyis pa'i 'grel pa / slob dpon mkhas pa chen po padma rdo rje zhes bya ba dngos grub chen po brnyes pas mdzad pa'o // // sangs rgyas thod pa'i rgyud kyi dka' 'grel de kho na nyid kyi zla ba zhes bya ba slob dpon mkhas pa chen po padma rdo rjes mdzad pa rdzogs so. [Note: There seem to be at least 2 texts here, and I didn't locate the translator's colophon, although there might be one hidden somewhere.]
Black Hat Tanjur, p. 445. dpal mkha' 'gro rgya mtsho'i 'grel pa gru rdzing stong phrag brgyad pa / pad ma badzras mdzad pa / lo tsā ba dar ma yon tan gyis bsgyur ba la / dpal mchog dang po'i rdo rje zhus dag byas pa.
Guhyasiddhi (Gsang ba grub pa). Sakalatantrasambhavasañcodanī Śrīguhyasiddhi (Rgyud ma lus pa'i don nges par skul bar byed pa). Tôh. no. 2217. Dergé Tanjur, vol. WI, folios 1v.1-28v.4. Tr. by Kṛṣṇapaṇḍita and Tshul khrims rgyal ba.
Dergé colophon: lha dang lha min la sogs pa ma lus pas // zhabs kyi padma zung la me tog gi phreng bas mchod pa dpal mgon po bde ba chen po padma badzra gyis mdzad pa rdzogs so // // rgya gar gyi mkhan po kṛṣṇa paṇḍi ta dang / lo tsā ba dge slong tshul khrims rgyal bas bsgyur cing zhus te gtan la phab pa.
Contained in: Guhyādi Aṣṭasiddhi Saṅgraha, ed., Samdhong Rinpoche and Vrajvallabh Dwivedi, with a number of coeditors, Central Institute for Higher Tibetan Studies (Sarnath 1987), pp. 1-62 (Sanskrit text), and 1-107 (Tibetan text).
Bu ston's History (1989), Catalogue Section, p. 404.7: slob dpon padma badzras mdzad pa'i gsang ba grub pa nag tsho'i 'gyur.
Hevajramaṇḍalakarmakramavidhi (Kye rdo rje'i dkyil 'khor gyi las kyi rim pa'i cho ga). Tôh. no. 1219. Dergé Tanjur, vol. NYA, folios 7r.3-19r.7. Tr. by Shākya brtson 'grus.
Dergé colophon: bcom ldan 'das kye rdo rje'i dkyil 'khor gyi las kyi rim pa'i tshig rgyas pa pa slob dpon padma badzras mdzad pa rdzogs so // dge slong shākya brtson 'grus kyis bcos pa legs so.
Hevajrasādhana (Dpal dgyes pa rdo rje'i sgrub thabs). Tôh. no. 1218. Dergé Tanjur, vol. NYA, vols. 1v.1-7r.2. Tr. by Shākya brtson 'grus.
For the Sanskrit of this, see Dhīḥ, vol. 36, pp. 131-144. Note that this Sanskrit colophon attributes it to Ācārya Saroruha.
Padmāvalokiteśvarasya Padmajālakrameṇa Bhagavanmaṇḍalapūjāvidhi (Padma spyan ras gzigs dbang phyug gi padma dra ba'i rim pas bcom ldan 'das kyi dkyil 'khor du mchod pa'i cho ga). Tôh. no. 1751. Dergé Tanjur, vol. SHA, folios 143v.4-156r.5. Author given as Dpal ye shes (Śrījñāna) or Padma rdo rje. Tr. by Sumanaśrībhadra and Rin chen grub.
Prajñālekha (Shes rab kyi phrin yig). Tôh. no. 2455. Dergé Tanjur, vol. ZI, folios 124v.2-128v.2. Tr. by Śāntabhadra and 'Gos Lhas btsas.
This letter was not included in Siglinde Dietz's book because she had not discovered its existence in time. In a review of Dietz's book (Journal of the American Oriental Society, vol. 105 [1985], p. 802), Lindtner expresses the opinion that this letter and the tantric author of the Guhyasiddhi are the same person. He also says this work is a fervent hymn to Prajñā which poorly imitates the Prajñāpāramitāstotra of Rāhulabhadra.
Tantrārthāvatāravyākhyāna (Rgyud kyi don la 'jug pa'i 'grel bshad). Tôh. no. 2502. Dergé Tanjur, vol. 'I, folios 92v.6-351r.7. Commentary on the work by Buddhaguhya.
Dergé colophon: rdo rje dbyings kyi dkyil 'khor chen por gsungs pa'i ye shes sems dpa' mnyes par bya ba'i cho ga rgyud kyi don la 'jug pa'i tshig i don la rnam par dbye ba slob dpon padma badzras mdzad pa rdzogs so.
