B. R. Ambedkar
Steel Founders' Society of America.
Isabel Wilkerson
Jayantīlāla Maṇilāla Malakāṇa
Kishori Saran Lal
Dipankar Gupta
Rajiv Malhotra
C. W. Ammen
Paul Villiard
Mel Krieger
William G. Walkington
Masʻūd ʻĀlam Falāḥī
Anand Teltumbde
Rana P. B. Singh
Ed Jaworowski
Ductile Iron Pipe Research Association (U.S.)
E. E. Bleck
Shridhar Venkatesh Ketkar
Edmund Ronald Leach
Ramesh Bairy