The cases principally relied upon by them are Gulf Oil Corp. v. Gilbert, 330 U.S. 501, 67 S.Ct. 839, 91 L.Ed. 1055; B. Heller Co. v. Perry, 7 Cir., 201 F.2d 525; Nicol v. J. C. Penney Co., D.C.E.D. Mich., 97 F. Supp. 83; and same case on appeal, Nicol v. Koscinski, 6 Cir., 188 F.2d 537; Richer v. Chicago, R. I. P. R. Co., D.C.E.D.Mo., 80 F. Supp. 971; and McKeen v. Union Pacific R. Co., D.C.W.D.Mo., 111 F. Supp. 876. The cases principally relied upon by it are Ford Motor Company v. Ryan, 2 Cir., 182 F.2d 329; Mason v. Chicago, R. I. P. R. Co., D.C.W.D.Mo., 96 F. Supp. 361; Masterpiece Productions v. United Artists Corp., D.C.E.D.Pa., 94 F. Supp. 116; Sherman v. Baltimore Ohio R. Co., D.C.W.D.Pa., 122 F. Supp. 492, and, upon the matter of defendant's burden to designate the witnesses and the general nature of their testimony and to show the greater importance, rather than the greater number, of witnesses, the cases of Cox v. Pennsylvania R. Co., D.C.S.D.N.Y., 72 F. Supp. 278; Jenkins v. Wilson Freight Forwarding Co., D.C.S.D.N.Y., 104 F. Supp. 422; Skultety v. Pennsylvania Ry. Co., D.C.S.D.N.Y., 91 F. Supp. 118; Strypek v. Shreyer, D.C.S.D. N.Y., 118 F. Supp. 918; and Robbins Music Corp. v. Alamo Music, Inc., D.C.S.D.N.Y., 119 F. Supp. 29, and, upon the issue that proximity of witnesses to the place of trial is not a controlling factor, the cases of Perry v. Atchison, T. S. F. Ry. Co., D.C.N.D.Cal., 82 F. Supp. 912; Banachowski v. Atlantic Refining Co., D.C.S.D.N.Y., 84 F. Supp. 444, and Lucas v. New York Central Ry. Co., D.C.S.D.N.Y., 88 F. Supp. 536.